Document:

Exhibit 10.7

 

Equity Pledge Agreement This Equity Pledge Agreement (this "Agreement")
has been executed by and among the following parties on December 19,2018 in Beijing, the People’s Republic of China (“China”
or the “PRC”): Party A: Beijing Qianhaitong Technology Development
Co., Ltd. (hereinafter "Pledgee") Address: Room 1209, Floor 12, No.12 Yabao Road, Chaowai, Chaoyang District, Beijing,
China Party B: LIU Zhenwei (hereinafter "Pledgor") Address: No. 601, Unit 1, Block 10, YanyuanLi, Dinan Road, Nankai
District, Tianjin, China Party C: Beijing Ouruixi Medical Technology Co., Ltd. Address: Room 120808, Unit 2, Floor 7, Building
3, No.1 East Futong Street, Chaoyang District, Beijing, China

 

     

     

    

 

In this Agreement, each
of Pledgee, Pledgor and Party C shall be referred to as a "Party" respectively, and they shall be collectively referred
to as the "Parties". Whereas: 1. Pledgor is a citizen
of China, and holds 2% of the equity interest in Party C in record. Party C is a limited liability company registered in Beijing,
China. Party C acknowledges the respective rights and obligations of Pledgor and Pledgee under this Agreement, and intends to
provide any necessary assistance in registering the Pledge; 2. Pledgee is a wholly foreign-owned enterprise registered
in China. Pledgee, Pledgor and Party C owned by Pledgor have executed an Technical Consultation and Service Agreement and other
control agreements (the “Control Agreements”); 3. To ensure that Pledgor and Party C fully perform their obligations
under the Control Agreements, and pay the consulting and service fees thereunder to the Pledgee when the sum becomes due, Pledgor
hereby pledges to the Pledgee all of the equity interest he holds in Party C as security for payment of the consulting and service
fees by Party C under the Control Agreements. To perform the provisions of the Control Agreements, the Parties have mutually agreed
to execute this Agreement upon the following terms. DEFINITIONS Unless otherwise provided herein, the terms below shall have the
following meanings:

 

     

     

    

 

 1.1 Pledge: shall
refer to the security interest granted by Pledgor to Pledgee pursuant to Section 2 of this Agreement, i.e., the right of Pledgee
to be compensated on a preferential basis with the conversion, auction or sales price of the Equity Interest. 1.2 Equity Interest:
shall refer to all of the equity interest lawfully now held and hereafter acquired by Pledgor in Party C. 1.3 Term of Pledge:
shall refer to the term set forth in Section 3 of this Agreement. 1.4 Control Agreements: shall refer to Technical Consultation
and Service Agreements and other relevant control agreements executed by and among Pledgor, Party C and Pledgee on December
19, 2018. 1.5 Event of Default: shall refer to any of the circumstances set forth in Section 7 of this Agreement. 1.6 Notice of
Default: shall refer to the notice issued by Pledgee in accordance with this Agreement declaring an Event of Default. THE PLEDGE
As collateral security for the performance of the Control Agreements and the timely and complete payment when due (whether at
stated maturity, by acceleration or otherwise) of any or all of the payments due by Party C and/or Pledgor, including without
limitation the consulting and services 

 

     

     

    

 

 fees payable to
the Pledgee under the Control Agreements, Pledgor hereby pledges to Pledgee a first security interest in all of Pledgor's right,
title and interest, whether now owned or hereafter acquired by Pledgor, in the Equity Interest of Party C. TERM OF PLEDGE 3.1
The Pledge shall become effective on such date when the pledge of the Equity Interest contemplated herein has been registered
with relevant administration for industry and commerce (the “AIC”). The Pledge shall be continuously valid until the
Pledgor is no longer a shareholder of Party C or the satisfaction of
all its obligations by the Party C under the Control Agreements. The Pledgors shall be responsible for recording of this Agreement
in the Company’s Register of Shareholders. 3.2 During the Term of Pledge, in the event Party C fails to pay the exclusive
consulting or service fees in accordance with the Control Agreements, Pledgee shall have the right, but not the obligation, to
dispose of the Pledge in accordance with the provisions of this Agreement. CUSTODY OF RECORDS FOR EQUITY INTEREST SUBJECT TO PLEDGE
4.1 During the Term of Pledge set forth in this Agreement, Pledgor shall deliver to Pledgee's custody the shareholders' register
containing the Pledge within one week from the execution of this Agreement. Pledgee shall have custody of such items during the
entire Term of Pledge set forth in this Agreement. 4.2 Pledgee shall have the right to collect dividends generated by the Equity
Interest during the Term of Pledge. 

 

     

     

    

 

 REPRESENTATIONS
AND WARRANTIES OF PLEDGOR 5.1 Pledgor is the owner of the Equity Interest in record of register of shareholder. 5.2 Pledgee shall
have the right to dispose of and transfer the Equity Interest in accordance with the provisions set forth in this Agreement. 5.3
Except for the Pledge, Pledgor has not placed any security interest or other encumbrance on the Equity Interest. COVENANTS AND
FURTHER AGREEMENTS OF PLEDGOR 6.1 Pledgor hereby covenants to the Pledgee, that during the term of this Agreement, Pledgor shall:
(1) not transfer the Equity Interest, place or permit the
existence of any security interest or other encumbrance on the Equity Interest, without the prior written consent of Pledgee,
except for the performance of the Equity Option Agreement (the “Equity Option Agreement”) executed by Pledgor, the
Pledgee and Party C on the execution date of this Agreement; (2) comply with the provisions of all laws and regulations
applicable to the pledge of rights, and within five (5) working days of receipt of any notice, order or recommendation issued
or 

 

     

     

    

 

 prepared by relevant
competent authorities regarding the Pledge, shall present the aforementioned notice, order or recommendation to Pledgee, and shall
comply with the aforementioned notice, order or recommendation or submit objections and representations with respect to the aforementioned
matters upon Pledgee's reasonable request or upon consent of Pledgee; (3)
promptly notify Pledgee of any event or notice received by Pledgor that may have an impact on Pledgee's rights to the Equity Interest
or any portion thereof, as well as any event or notice received by Pledgor that may have an impact on any guarantees and other
obligations of Pledgor arising out of this Agreement. 6.2 Pledgor agrees that the rights acquired by Pledgee in accordance with
this Agreement with respect to the Pledge shall not be interrupted or harmed by Pledgor or any heirs or representatives of Pledgor
or any other persons through any legal proceedings. 6.3 To protect or perfect the security interest granted by this Agreement
for payment of the consulting and service fees under the Control Agreements, Pledgor hereby undertakes to execute in good faith
and to cause other parties who have an interest in the Pledge to execute all certificates, agreements, deeds and/or covenants
required by Pledgee. Pledgor also undertakes to perform and to cause other parties who have an interest in the Pledge to perform
actions required by Pledgee, to facilitate the exercise by Pledgee of its rights and authority granted thereto by this Agreement,
and to enter into all relevant documents regarding ownership of Equity Interest with Pledgee or designee(s) of Pledgee (natural
persons/legal persons). Pledgor undertakes to provide Pledgee within a reasonable time with all notices, orders and decisions
regarding the Pledge that are required by Pledgee. 

 

     

     

    

 

 6.4 Pledgor hereby
undertakes to comply with and perform all guarantees, promises, agreements, representations and conditions under this Agreement.
In the event of failure or partial performance of its guarantees, promises, agreements, representations and conditions, Pledgor
shall indemnify Pledgee for all losses resulting therefrom. 6.5 The Pledgors shall process the registration procedures with the
Administration for Industry and Commerce concerning the Pledge as soon as practical after the execution of this Agreement. 6.6
Without notifying Pledgee in advance and obtaining Pledgee’s prior written consent, Pledgor shall not transfer the Equity
Interest and any action for the proposed transfer of the Equity Interest of Pledgor shall be invalid. Any payment received by
Pledgor for transfer of the Equity Interest shall be firstly used to repay the secured obligations to Pledgee or be placed in
escrow with a third party as agreed with Pledgee. EVENT OF BREACH 7.1 The following circumstances shall be deemed Event of Default:
(1) Party C fails to fully and timely fulfill any liabilities
under the Control Agreements, including without limitation failure to pay in full any of the consulting and service fees payable
under the Control Agreements or breaches any other obligations of Party C thereunder; (2) Pledgor or Party C has
committed a material breach of any

 

     

     

    

 

 provisions of
this Agreement; (3) Except for the performance of the Equity
Option Agreement, Pledgor transfers or purports to transfer or abandons the Equity Interest pledged or assigns the Equity Interest
pledged without the written consent of Pledgee; and (4) The successor or custodian of Party C is capable of only
partially performing or refusing to perform the payment obligations under the Control Agreements. (5) The occurrence
of any adverse change to the assets or property of the Pledgor, which in Pledgee’s determination, may impact the ability
of the Pledgor to perform its obligations hereunder. (6) The occurrence of any other circumstances under which the
Pledgee is not or may not able to exercise its rights hereunder in accordance with the applicable law. 7.2 Upon notice or discovery
of the occurrence of any circumstances or event that may lead to the aforementioned circumstances described in Section 7.1, Pledgor
shall immediately notify Pledgee in writing accordingly. 7.3 Unless an Event of Default set forth in this Section 7.1 has been
successfully resolved to Pledgee's satisfaction within twenty (20) days after the Pledgee delivers a notice to the Pledgor requesting
ratification of such Event of Default, Pledgee may issue a Notice of Default to Pledgor in writing at any time thereafter, demanding
to immediately dispose of the Pledge in accordance with the provisions of Section 8 of this Agreement. 

 

     

     

    

 

 EXERCISE OF PLEDGE
8.1 Prior to the full payment of the consulting and service fees described in the Control Agreements, without the Pledgee's written
consent, Pledgor shall not assign the Equity Interest in Party C. 8.2 Pledgee may issue a written notice to Pledgor when exercising
the Pledge. 8.3 Subject to the provisions of Section 7.3, Pledgee may exercise the right to enforce the Pledge at any time after
the issuance of the Notice of Default in accordance with Section 7.3. Once Pledgee elects to enforce the Pledge, Pledgor shall
cease to be entitled to any rights or interests associated with the Equity Interest. 8.4 In the event of default, Pledgee is entitled
to dispose of the Equity Interest in accordance with applicable PRC laws. Only to the extent permitted under applicable PRC laws,
Pledgee has no obligation to account to Pledgor for proceeds of disposition of the Equity Interest, and Pledgor hereby waives
any rights it may have to demand any such accounting from Pledgee. 8.5 When Pledgee disposes of the Pledge in accordance with
this Agreement, Pledgor and Party C shall provide necessary assistance to enable Pledgee to enforce the Pledge in accordance with
this Agreement. ASSIGNMENT

 

     

     

    

 

 9.1
Without Pledgee's prior written consent, Pledgor shall not have the right to assign or delegate its rights and obligations under
this Agreement. 9.2 This Agreement shall be binding on Pledgor and its successors and permitted assigns, and shall be valid with
respect to Pledgee and each of its successors and assigns. 9.3 At any time, Pledgee may assign any and all of its rights and obligations
under the Control Agreements to its designee(s) (natural/legal persons), in which case the assigns shall have the rights and obligations
of Pledgee under this Agreement, as if it were the original party to this Agreement. When the Pledgee assigns the rights and obligations
under the Control Agreements, upon Pledgee's request, Pledgor shall execute relevant agreements or other documents relating to
such assignment. 9.4 In the event of a change in Pledgee due to an assignment, Pledgor shall, at the request of Pledgee, execute
a new pledge agreement with the new pledgee on the same terms and conditions as this Agreement, and register the same with the
relevant AIC. 9.5 Pledgor shall strictly abide by the provisions of this Agreement and other contracts jointly or separately executed
by the Parties hereto or any of them, including the Equity Option Agreement and the Power of Attorney granted to Pledgee, perform
the obligations hereunder and thereunder, and refrain from any action/omission that may affect the effectiveness and enforceability
thereof. Any remaining rights of Pledgor with respect to the Equity Interest pledged hereunder shall not be exercised by Pledgor
except in accordance with the written instructions of Pledgee. 

 

     

     

    

 

 TERMINATION Upon
the full payment of the consulting and service fees under the Control Agreements and upon termination of Party C's obligations
under the Control Agreements, this Agreement shall be terminated, and Pledgee shall then terminate the equity pledge under this
Agreement as soon as reasonably practicable. HANDLING FEES AND OTHER EXPENSES All fees and out of pocket expenses relating to
this Agreement, including but not limited to legal costs, costs of production, stamp tax and any other taxes and fees, shall be
borne by Party C. CONFIDENTIALITY The Parties acknowledge that the existence and the terms of this Agreement and any oral or written
information exchanged between the Parties in connection with the preparation and performance this Agreement are regarded as confidential
information. Each Party shall maintain confidentiality of all such confidential information, and without obtaining the written
consent of the other Party, it shall not disclose any relevant confidential information to any third parties, except for the information
that: (a) is or will be in the public domain (other than through the receiving Party’s unauthorized disclosure); (b) is
under the obligation to be disclosed pursuant to the applicable laws or regulations, rules of any 

 

     

     

    

 

 stock exchange,
or orders of the court or other government authorities; or (c) is required to be disclosed by any Party to its shareholders, investors,
legal counsels or financial advisors regarding the transaction contemplated hereunder, provided that such shareholders, investors,
legal counsels or financial advisors shall be bound by the confidentiality obligations similar to those set forth in this Section.
Disclosure of any confidential information by the staff members or agencies hired by any Party shall be deemed disclosure of such
confidential information by such Party, which Party shall be held liable for breach of this Agreement. This Section shall survive
the termination of this Agreement for any reason. GOVERNING LAW AND RESOLUTION OF DISPUTES 13.1 The execution, effectiveness,
construction, performance, amendment and termination of this Agreement and the resolution of disputes hereunder shall be governed
by the laws of China. 13.2 In the event of any dispute with respect to the construction and performance of this Agreement, the
Parties shall first resolve the dispute through friendly negotiations. In the event the Parties fail to reach an agreement on
the dispute within thirty (30) days after either Party's request to the other Parties for resolution of the dispute through negotiations,
either Party may submit the relevant dispute to the China International Economic and Trade Arbitration Commission Beijing Commission
for arbitration, in accordance with its Arbitration Rules. The arbitration shall be conducted in Beijing, and the language used
in arbitration shall be Chinese. The arbitration award shall be final and binding on all Parties. 13.3 Upon the occurrence of
any disputes arising from the construction and performance of this Agreement or during the pending arbitration of any dispute,
except for the matters under dispute, the Parties to this Agreement shall continue to exercise their respective rights under this
Agreement and perform their respective obligations under this Agreement.

 

     

     

    

 

 NOTICES 14.1 All
notices and other communications required or permitted to be given pursuant to this Agreement shall be delivered personally or
sent by registered mail, postage prepaid, by a commercial courier service to the address of such party set forth below. A confirmation
copy of each notice shall also be sent by E-mail. The dates on which notices shall be deemed to have been effectively given shall
be determined as follows: Notices given by personal delivery, by courier service or by registered mail, postage prepaid, shall
be deemed effectively given on the date of acceptance or refusal at the address specified for notices. 14.2 For the purpose of
notices, the addresses of the Parties are as follows: Party A: Beijing Qianhaitong Technology Development Co., Ltd. Address: Room
1209, Floor 12, No.12 Yabao Road, Chaowai, Chaoyang District, Beijing, China Attn:
Shi Baoning Phone: 010-6478-8692 Party B: Liu Zhenwei Address: No. 601, Unit 1, Block 10, YanyuanLi, Dinan Road, Nankai
District, Tianjin, China 

 

     

     

    

 

 Attn:
Liu Zhenwei Phone: 13821979911 Party C: Beijing Ouruixi Medical Technology Co., Ltd. Address: Room 120808, Unit
2, Floor 7, Building 3, No.1 East Futong Street, Chaoyang District, Beijing, China Attn: Shi Baoning Phone: 010-6478-8692
14.3 If any Party change its address for notices or its contact person, a notice shall be delivered to the other Parties in accordance
with the terms hereof. SEVERABILITY In the event that one or several of the provisions of this Agreement are found to be invalid,
illegal or unenforceable in any aspect in accordance with any laws or regulations, the validity, legality or enforceability of
the remaining provisions of this Agreement shall not be affected or compromised in any respect. The Parties shall strive in good
faith to replace such invalid, illegal or unenforceable provisions with effective provisions that accomplish to the greatest extent
permitted by law and the intentions of the Parties, and the economic effect of such effective provisions shall be as close as
possible to the economic effect of those invalid, illegal or unenforceable provisions. 

 

     

     

    

 

 ATTACHMENTS The
attachments set forth herein shall be an integral part of this Agreement. EFFECTIVENESS 17.1 This Agreement shall become effective
when the Parties have duly executed this Agreement and Party A and Party C stamp the paging seal. 17.2 Any amendments, changes
and supplements to this Agreement shall be in writing and shall become effective after the affixation of the signatures or seals
of the Parties. 17.3 This Agreement is written in Chinese and English in three (3) copies. Pledgor, Pledgee and Party C shall
hold one (1) copy respectively. Each copy of this Agreement shall have equal validity. In case there is any conflict between the
Chinese version and the English version, the Chinese version shall prevail. [The Remainder of this page is intentionally left
blank] 

 

     

     

    

 

[Signature Page] IN
WITNESS WHEREOF, the Parties have caused their authorized representatives to execute this Equity Pledge Agreement as of the date
first above written. Party A: Beijing Qianhaitong Technology Development Co., Ltd. (Seal) Name: Shi Baoning Title: Legal Representative
By:

 

     

     

    

 

[Signature Page] IN
WITNESS WHEREOF, the Parties have caused their authorized representatives to execute this Equity Pledge Agreement as of the date
first above written. Party B: Liu Zhenwei By:

 

     

     

    

 

[Signature Page] IN
WITNESS WHEREOF, the Parties have caused their authorized representatives to execute this Equity Pledge Agreement as of the date
first above written. Party C: Beijing Ouruixi Medical Technology Co., Ltd. (Seal) Name: Shi Baoning Title: Legal Representative
By:

 

     

     

    

 

 Attachments:
1. Shareholders' register of Beijing Ouruixi Medical Technology Co., Ltd. 2. Technical Consultation and Service AgreementExhibit 10.8

 

Equity
                                         Pledge Agreement This Equity Pledge Agreement (this "Agreement") has been executed
                                         by and among the following parties on December 19,2018 in Beijing, the People’s
                                         Republic of China (“China” or the “PRC”): Party A: Beijing Qianhaitong
                                         Technology Development Co., Ltd. (hereinafter "Pledgee") Address: Room 1209,
                                         Floor 12, No.12 Yabao Road, Chaowai, Chaoyang District, Beijing, China Party B: SHI Baoning
                                         (hereinafter "Pledgor") Address: Room 502, Unit 4, Block 6, Bihuali, Huayuan
                                         Road, Nankai District, Tianjin, China Party C: Beijing Ouruixi Medical Technology Co.,
                                         Ltd. Address: Room 120808, Unit 2, Floor 7, Building 3, No.1 East Futong Street, Chaoyang
                                         District, Beijing, China

 

     

     

    

 

In
                                         this Agreement, each of Pledgee, Pledgor and Party C shall be referred to as a "Party"
                                         respectively, and they shall be collectively referred to as the "Parties".
                                         Whereas: 1. Pledgor is a citizen of China, and holds 96% of the equity interest in Party
                                         C in record. Party C is a limited liability company registered in Beijing, China. Party
                                         C acknowledges the respective rights and obligations of Pledgor and Pledgee under this
                                         Agreement, and intends to provide any necessary assistance in registering the Pledge;
                                         2. Pledgee is a wholly foreign-owned enterprise registered in China. Pledgee, Pledgor
                                         and Party C owned by Pledgor have executed an Technical Consultation and Service Agreement
                                         and other control agreements (the “Control Agreements”); 3. To ensure that
                                         Pledgor and Party C fully perform their obligations under the Control Agreements, and
                                         pay the consulting and service fees thereunder to the Pledgee when the sum becomes due,
                                         Pledgor hereby pledges to the Pledgee all of the equity interest he holds in Party C
                                         as security for payment of the consulting and service fees by Party C under the Control
                                         Agreements. To perform the provisions of the Control Agreements, the Parties have mutually
                                         agreed to execute this Agreement upon the following terms. DEFINITIONS Unless otherwise
                                         provided herein, the terms below shall have the following meanings:

 

     

     

    

 

1.1
                                         Pledge: shall refer to the security interest granted by Pledgor to Pledgee pursuant to
                                         Section 2 of this Agreement, i.e., the right of Pledgee to be compensated on a preferential
                                         basis with the conversion, auction or sales price of the Equity Interest. 1.2 Equity
                                         Interest: shall refer to all of the equity interest lawfully now held and hereafter acquired
                                         by Pledgor in Party C. 1.3 Term of Pledge: shall refer to the term set forth in Section
                                         3 of this Agreement. 1.4 Control Agreements: shall refer to Technical Consultation and
                                         Service Agreements and other relevant control agreements executed by and among Pledgor,
                                         Party C and Pledgee on December 19, 2018. 1.5 Event of Default: shall refer to any of
                                         the circumstances set forth in Section 7 of this Agreement. 1.6 Notice of Default: shall
                                         refer to the notice issued by Pledgee in accordance with this Agreement declaring an
                                         Event of Default. THE PLEDGE As collateral security for the performance of the Control
                                         Agreements and the timely and complete payment when due (whether at stated maturity,
                                         by acceleration or otherwise) of any or all of the payments due by Party C and/or Pledgor,
                                         including without limitation the consulting and services

 

     

     

    

 

fees payable to the Pledgee under
                             the Control Agreements, Pledgor hereby pledges to Pledgee a first security interest in all of Pledgor's
                             right, title and interest, whether now owned or hereafter acquired by Pledgor, in the Equity Interest
                             of Party C. TERM OF PLEDGE 3.1 The Pledge shall become effective on such date when the pledge of
                             the Equity Interest contemplated herein has been registered with relevant administration for industry
                             and commerce (the “AIC”). The Pledge shall be continuously valid until the Pledgor is
                             no longer a shareholder of Party C or the satisfaction of all its obligations by the Party C under
                             the Control Agreements. The Pledgors shall be responsible for recording of this Agreement in the
                             Company’s Register of Shareholders. 3.2 During the Term of Pledge, in the event Party C fails
                             to pay the exclusive consulting or service fees in accordance with the Control Agreements, Pledgee
                             shall have the right, but not the obligation, to dispose of the Pledge in accordance with the provisions
                             of this Agreement. CUSTODY OF RECORDS FOR EQUITY INTEREST SUBJECT TO PLEDGE 4.1 During the Term of
                             Pledge set forth in this Agreement, Pledgor shall deliver to Pledgee's custody the shareholders'
                             register containing the Pledge within one week from the execution of this Agreement. Pledgee shall
                             have custody of such items during the entire Term of Pledge set forth in this Agreement. 4.2 Pledgee
                             shall have the right to collect dividends generated by the Equity Interest during the Term of Pledge.

 

     

     

    

 

REPRESENTATIONS
                                         AND WARRANTIES OF PLEDGOR 5.1 Pledgor is the owner of the Equity Interest in record of
                                         register of shareholder. 5.2 Pledgee shall have the right to dispose of and transfer
                                         the Equity Interest in accordance with the provisions set forth in this Agreement. 5.3
                                         Except for the Pledge, Pledgor has not placed any security interest or other encumbrance
                                         on the Equity Interest. COVENANTS AND FURTHER AGREEMENTS OF PLEDGOR 6.1 Pledgor hereby
                                         covenants to the Pledgee, that during the term of this Agreement, Pledgor shall: (1)
                                         not transfer the Equity Interest, place or permit the existence of any security interest
                                         or other encumbrance on the Equity Interest, without the prior written consent of Pledgee,
                                         except for the performance of the Equity Option Agreement (the “Equity Option Agreement”)
                                         executed by Pledgor, the Pledgee and Party C on the execution date of this Agreement;
                                         (2) comply with the provisions of all laws and regulations applicable to the pledge of
                                         rights, and within five (5) working days of receipt of any notice, order or recommendation
                                         issued or

 

     

     

    

 

prepared
                                         by relevant competent authorities regarding the Pledge, shall present the aforementioned
                                         notice, order or recommendation to Pledgee, and shall comply with the aforementioned
                                         notice, order or recommendation or submit objections and representations with respect
                                         to the aforementioned matters upon Pledgee's reasonable request or upon consent of Pledgee;
                                         (3) promptly notify Pledgee of any event or notice received by Pledgor that may have
                                         an impact on Pledgee's rights to the Equity Interest or any portion thereof, as well
                                         as any event or notice received by Pledgor that may have an impact on any guarantees
                                         and other obligations of Pledgor arising out of this Agreement. 6.2 Pledgor agrees that
                                         the rights acquired by Pledgee in accordance with this Agreement with respect to the
                                         Pledge shall not be interrupted or harmed by Pledgor or any heirs or representatives
                                         of Pledgor or any other persons through any legal proceedings. 6.3 To protect or perfect
                                         the security interest granted by this Agreement for payment of the consulting and service
                                         fees under the Control Agreements, Pledgor hereby undertakes to execute in good faith
                                         and to cause other parties who have an interest in the Pledge to execute all certificates,
                                         agreements, deeds and/or covenants required by Pledgee. Pledgor also undertakes to perform
                                         and to cause other parties who have an interest in the Pledge to perform actions required
                                         by Pledgee, to facilitate the exercise by Pledgee of its rights and authority granted
                                         thereto by this Agreement, and to enter into all relevant documents regarding ownership
                                         of Equity Interest with Pledgee or designee(s) of Pledgee (natural persons/legal persons).
                                         Pledgor undertakes to provide Pledgee within a reasonable time with all notices, orders
                                         and decisions regarding the Pledge that are required by Pledgee.

 

     

     

    

 

6.4
                                         Pledgor hereby undertakes to comply with and perform all guarantees, promises, agreements,
                                         representations and conditions under this Agreement. In the event of failure or partial
                                         performance of its guarantees, promises, agreements, representations and conditions,
                                         Pledgor shall indemnify Pledgee for all losses resulting therefrom. 6.5 The Pledgors
                                         shall process the registration procedures with the Administration for Industry and Commerce
                                         concerning the Pledge as soon as practical after the execution of this Agreement. 6.6
                                         Without notifying Pledgee in advance and obtaining Pledgee’s prior written consent,
                                         Pledgor shall not transfer the Equity Interest and any action for the proposed transfer
                                         of the Equity Interest of Pledgor shall be invalid. Any payment received by Pledgor for
                                         transfer of the Equity Interest shall be firstly used to repay the secured obligations
                                         to Pledgee or be placed in escrow with a third party as agreed with Pledgee. EVENT OF
                                         BREACH 7.1 The following circumstances shall be deemed Event of Default: (1) Party C
                                         fails to fully and timely fulfill any liabilities under the Control Agreements, including
                                         without limitation failure to pay in full any of the consulting and service fees payable
                                         under the Control Agreements or breaches any other obligations of Party C thereunder;
                                         (2) Pledgor or Party C has committed a material breach of any

 

     

     

    

 

provisions of this Agreement;(3)
                             Except for the performance of the Equity Option Agreement, Pledgor transfers or purports to transfer
                             or abandons the Equity Interest pledged or assigns the Equity Interest pledged without the written
                             consent of Pledgee; and (4) The successor or custodian of Party C is capable of only partially performing
                             or refusing to perform the payment obligations under the Control Agreements. (5) The occurrence of
                             any adverse change to the assets or property of the Pledgor, which in Pledgee’s determination,
                             may impact the ability of the Pledgor to perform its obligations hereunder. (6) The occurrence of
                             any other circumstances under which the Pledgee is not or may not able to exercise its rights hereunder
                             in accordance with the applicable law. 7.2 Upon notice or discovery of the occurrence of any circumstances
                             or event that may lead to the aforementioned circumstances described in Section 7.1, Pledgor shall
                             immediately notify Pledgee in writing accordingly. 7.3 Unless an Event of Default set forth in this
                             Section 7.1 has been successfully resolved to Pledgee's satisfaction within twenty (20) days after
                             the Pledgee delivers a notice to the Pledgor requesting ratification of such Event of Default, Pledgee
                             may issue a Notice of Default to Pledgor in writing at any time thereafter, demanding to immediately
                             dispose of the Pledge in accordance with the provisions of Section 8 of this Agreement.

 

     

     

    

 

EXERCISE
                                         OF PLEDGE 8.1 Prior to the full payment of the consulting and service fees described
                                         in the Control Agreements, without the Pledgee's written consent, Pledgor shall not assign
                                         the Equity Interest in Party C. 8.2 Pledgee may issue a written notice to Pledgor when
                                         exercising the Pledge. 8.3 Subject to the provisions of Section 7.3, Pledgee may exercise
                                         the right to enforce the Pledge at any time after the issuance of the Notice of Default
                                         in accordance with Section 7.3. Once Pledgee elects to enforce the Pledge, Pledgor shall
                                         cease to be entitled to any rights or interests associated with the Equity Interest.
                                         8.4 In the event of default, Pledgee is entitled to dispose of the Equity Interest in
                                         accordance with applicable PRC laws. Only to the extent permitted under applicable PRC
                                         laws, Pledgee has no obligation to account to Pledgor for proceeds of disposition of
                                         the Equity Interest, and Pledgor hereby waives any rights it may have to demand any such
                                         accounting from Pledgee. 8.5 When Pledgee disposes of the Pledge in accordance with this
                                         Agreement, Pledgor and Party C shall provide necessary assistance to enable Pledgee to
                                         enforce the Pledge in accordance with this Agreement. ASSIGNMENT 9.1

 

     

     

    

 

Without
                                         Pledgee's prior written consent, Pledgor shall not have the right to assign or delegate
                                         its rights and obligations under this Agreement. 9.2 This Agreement shall be binding
                                         on Pledgor and its successors and permitted assigns, and shall be valid with respect
                                         to Pledgee and each of its successors and assigns. 9.3 At any time, Pledgee may assign
                                         any and all of its rights and obligations under the Control Agreements to its designee(s)
                                         (natural/legal persons), in which case the assigns shall have the rights and obligations
                                         of Pledgee under this Agreement, as if it were the original party to this Agreement.
                                         When the Pledgee assigns the rights and obligations under the Control Agreements, upon
                                         Pledgee's request, Pledgor shall execute relevant agreements or other documents relating
                                         to such assignment. 9.4 In the event of a change in Pledgee due to an assignment, Pledgor
                                         shall, at the request of Pledgee, execute a new pledge agreement with the new pledgee
                                         on the same terms and conditions as this Agreement, and register the same with the relevant
                                         AIC. 9.5 Pledgor shall strictly abide by the provisions of this Agreement and other contracts
                                         jointly or separately executed by the Parties hereto or any of them, including the Equity
                                         Option Agreement and the Power of Attorney granted to Pledgee, perform the obligations
                                         hereunder and thereunder, and refrain from any action/omission that may affect the effectiveness
                                         and enforceability thereof. Any remaining rights of Pledgor with respect to the Equity
                                         Interest pledged hereunder shall not be exercised by Pledgor except in accordance with
                                         the written instructions of Pledgee.

 

     

     

    

 

TERMINATION
                                         Upon the full payment of the consulting and service fees under the Control Agreements
                                         and upon termination of Party C's obligations under the Control Agreements, this Agreement
                                         shall be terminated, and Pledgee shall then terminate the equity pledge under this Agreement
                                         as soon as reasonably practicable. HANDLING FEES AND OTHER EXPENSES All fees and out
                                         of pocket expenses relating to this Agreement, including but not limited to legal costs,
                                         costs of production, stamp tax and any other taxes and fees, shall be borne by Party
                                         C. CONFIDENTIALITY The Parties acknowledge that the existence and the terms of this Agreement
                                         and any oral or written information exchanged between the Parties in connection with
                                         the preparation and performance this Agreement are regarded as confidential information.
                                         Each Party shall maintain confidentiality of all such confidential information, and without
                                         obtaining the written consent of the other Party, it shall not disclose any relevant
                                         confidential information to any third parties, except for the information that: (a) is
                                         or will be in the public domain (other than through the receiving Party’s unauthorized
                                         disclosure); (b) is under the obligation to be disclosed pursuant to the applicable laws
                                         or regulations, rules of any

 

     

     

    

 

stock
                                         exchange, or orders of the court or other government authorities; or (c) is required
                                         to be disclosed by any Party to its shareholders, investors, legal counsels or financial
                                         advisors regarding the transaction contemplated hereunder, provided that such shareholders,
                                         investors, legal counsels or financial advisors shall be bound by the confidentiality
                                         obligations similar to those set forth in this Section. Disclosure of any confidential
                                         information by the staff members or agencies hired by any Party shall be deemed disclosure
                                         of such confidential information by such Party, which Party shall be held liable for
                                         breach of this Agreement. This Section shall survive the termination of this Agreement
                                         for any reason. GOVERNING LAW AND RESOLUTION OF DISPUTES 13.1 The execution, effectiveness,
                                         construction, performance, amendment and termination of this Agreement and the resolution
                                         of disputes hereunder shall be governed by the laws of China. 13.2 In the event of any
                                         dispute with respect to the construction and performance of this Agreement, the Parties
                                         shall first resolve the dispute through friendly negotiations. In the event the Parties
                                         fail to reach an agreement on the dispute within thirty (30) days after either Party's
                                         request to the other Parties for resolution of the dispute through negotiations, either
                                         Party may submit the relevant dispute to the China International Economic and Trade Arbitration
                                         Commission Beijing Commission for arbitration, in accordance with its Arbitration Rules.
                                         The arbitration shall be conducted in Beijing, and the language used in arbitration shall
                                         be Chinese. The arbitration award shall be final and binding on all Parties. 13.3 Upon
                                         the occurrence of any disputes arising from the construction and performance of this
                                         Agreement or during the pending arbitration of any dispute, except for the matters under
                                         dispute, the Parties to this Agreement shall continue to exercise their respective rights
                                         under this Agreement and perform their respective obligations under this Agreement.

 

     

     

    

 

NOTICES
                                         14.1 All notices and other communications required or permitted to be given pursuant
                                         to this Agreement shall be delivered personally or sent by registered mail, postage prepaid,
                                         by a commercial courier service to the address of such party set forth below. A confirmation
                                         copy of each notice shall also be sent by E-mail. The dates on which notices shall be
                                         deemed to have been effectively given shall be determined as follows: Notices given by
                                         personal delivery, by courier service or by registered mail, postage prepaid, shall be
                                         deemed effectively given on the date of acceptance or refusal at the address specified
                                         for notices. 14.2 For the purpose of notices, the addresses of the Parties are as follows:
                                         Party A: Beijing Qianhaitong Technology Development Co., Ltd. Address: Room 1209, Floor
                                         12, No.12 Yabao Road, Chaowai, Chaoyang District, Beijing, China Attn: Shi Baoning Phone:
                                         010-6478-8692 Party B: SHI Baoning Address: Room 502, Unit 4, Block 6, Bihuali, Huayuan
                                         Road,

 

     

     

    

 

Nankai
                             District, Tianjin, China Attn: Shi Baoning Phone: 18911572087 Party C: Beijing Ouruixi Medical Technology
                             Co., Ltd. Address: Room 120808, Unit 2, Floor 7, Building 3, No.1 East Futong Street, Chaoyang District,
                             Beijing, China Attn: Shi Baoning Phone: 010-6478-8692 14.3If any Party change its address for notices
                             or its contact person, a notice shall be delivered to the other Parties in accordance with the terms
                             hereof. SEVERABILITY In the event that one or several of the provisions of this Agreement are found
                             to be invalid, illegal or unenforceable in any aspect in accordance with any laws or regulations,
                             the validity, legality or enforceability of the remaining provisions of this Agreement shall not
                             be affected or compromised in any respect. The Parties shall strive in good faith to replace such
                             invalid, illegal or unenforceable provisions with effective provisions that accomplish to the greatest
                             extent permitted by law and the intentions of the Parties, and the economic effect of such effective
                             provisions shall be as close as possible to the economic effect of those invalid, illegal or unenforceable
                             provisions.

 

     

     

    

 

ATTACHMENTS The attachments
set forth herein shall be an integral part of this Agreement. EFFECTIVENESS 17.1 This Agreement shall become effective when the
Parties have duly executed this Agreement and Party A and Party C stamp the paging seal. 17.2 Any amendments, changes and supplements
to this Agreement shall be in writing and shall become effective after the affixation of the signatures or seals of the Parties.
17.3 This Agreement is written in Chinese and English in three (3) copies. Pledgor, Pledgee and Party C shall hold one (1) copy
respectively. Each copy of this Agreement shall have equal validity. In case there is any conflict between the Chinese version
and the English version, the Chinese version shall prevail. [The Remainder of this page is intentionally left blank]

 

     

     

    

 

[Signature
                                         Page] IN WITNESS WHEREOF, the Parties have caused their authorized representatives to
                                         execute this Equity Pledge Agreement as of the date first above written. Party A: Beijing
                                         Qianhaitong Technology Development Co., Ltd. (Seal) Name: SHI Baoning Title: Legal Representative
                                         By:

 

     

     

    

 

[Signature
                                         Page] IN WITNESS WHEREOF, the Parties have caused their authorized representatives to
                                         execute this Equity Pledge Agreement as of the date first above written. Party B: SHI
                                         Baoning By:

 

     

     

    

 

[Signature
                                         Page] IN WITNESS WHEREOF, the Parties have caused their authorized representatives to
                                         execute this Equity Pledge Agreement as of the date first above written. Party C: Beijing
                                         Ouruixi Medical Technology Co., Ltd. (Seal) Name: SHI Baoning Title: Legal Representative
                                         By:

 

     

     

    

 

Attachments:
                                         1.Shareholders' register of Beijing Ouruixi Medical Technology Co., Ltd.2.Technical Consultation
                                         and Service Agreement

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