Document:

Exhibit
10.6

 

Power
of Attorney

 

I,
Zhou Dengrong, am a citizen of the People’s Republic of China (the “PRC”), have an ID number of 42232319510712071X,
and hold a 3% equity interest in Xianning Xiangtian Energy Holding Group Co., Ltd. (the “Company”) (the “Equity
Interest”). As a shareholder of the Company, I hereby irrevocably entrust Luck Sky (Shen Zhen) Aerodynamic Electricity Limited
(the “WOFE”) to exercise the following rights under the terms of this Power of Attorney:

 

I
exclusively authorize the WOFE to be my sole representative with full authority to perform and exercise any and all shareholder’s
rights associated with the Equity Interest, including but not limited to, the right to attend shareholders’ meetings, the
right to execute shareholders’ resolutions, the right to sell, assign, transfer or pledge any or all of the Equity Interest
and the right to vote the Equity Interest for all matters, including but not limited to, the appointment of legal representatives,
board members, executive directors, inspectors, chief managers and other senior management officers.

 

I
exclusively entrust the WOFE as my sole representative with full power to execute the Equity Transfer Agreement referenced in
the Exclusive Option Agreement of even date herewith and to which I am party, to perform the obligations thereunder on my behalf
and to complete all actions I am required to perform under the Exclusive Option Agreement and the Equity Pledge Agreement, both
of which I am a party to and which are entered into as of the execution date of this Power of Attorney. The performance of the
above mentioned rights shall not constitute a limitation on this Power of Attorney.

 

Except
as otherwise provided hereunder, the WOFE shall be entitled to transfer, allocate or in any other way utilize the cash dividends
and other non-cash income arising out of the Equity Interest in accordance with my oral or written instructions.

 

Except
as otherwise provided hereunder, the WOFE shall be entitled to exercise all the necessary rights associated with the Equity Interest
at its sole discretion and without any further oral or written instructions.

 

The
WOFE is entitled to assign the authorization granted under this Power of Attorney to any other individual(s) or legal person(s)
without issuing any advance notice or obtaining my consent.

 

This
Power of Attorney shall be executed and come into effect as of the date set forth below. This Power of Attorney is coupled with
an interest and is irrevocable and validly existing for as long as I am a shareholder of the Company.

 

Should
I desire to exercise the rights entrusted to the WOFE hereunder, I shall provide the WOFE with advance notice of my intentions
to do so and agree that I shall have no authority to exercise such rights unless either (i) the rights are specifically reserved
to me hereunder or (ii) the WOFE, in its sole and absolute discretion, consents to such exercise.

 

	Signature	 
	 	 
	/s/
    Zhou Dengrong	 
	Zhou
    Dengrong 	 

 

Effective
as of September 30, 2018Exhibit 10.7

 

Power of Attorney

 

I, Zhou Jian, am a citizen
of the People’s Republic of China (the “PRC”), have an ID number of 42232319771028075x, and hold a 97% equity
interest in Xianning Xiangtian Energy Holding Group Co., Ltd. (the “Company”) (the “Equity Interest”).
As a shareholder of the Company, I hereby irrevocably entrust Luck Sky (Shen Zhen) Aerodynamic Electricity Limited (the “WOFE”)
to exercise the following rights under the terms of this Power of Attorney:

 

I exclusively authorize
the WOFE to be my sole representative with full authority to perform and exercise any and all shareholder’s rights associated
with the Equity Interest, including but not limited to, the right to attend shareholders’ meetings, the right to execute
shareholders’ resolutions, the right to sell, assign, transfer or pledge any or all of the Equity Interest and the right
to vote the Equity Interest for all matters, including but not limited to, the appointment of legal representatives, board members,
executive directors, inspectors, chief managers and other senior management officers.

 

I exclusively entrust
the WOFE as my sole representative with full power to execute the Equity Transfer Agreement referenced in the Exclusive Option
Agreement of even date herewith and to which I am party, to perform the obligations thereunder on my behalf and to complete all
actions I am required to perform under the Exclusive Option Agreement and the Equity Pledge Agreement, both of which I am a party
to and which are entered into as of the execution date of this Power of Attorney. The performance of the above mentioned rights
shall not constitute a limitation on this Power of Attorney.

 

Except as otherwise provided
hereunder, the WOFE shall be entitled to transfer, allocate or in any other way utilize the cash dividends and other non-cash income
arising out of the Equity Interest in accordance with my oral or written instructions.

 

Except as otherwise provided
hereunder, the WOFE shall be entitled to exercise all the necessary rights associated with the Equity Interest at its sole discretion
and without any further oral or written instructions.

 

The WOFE is entitled
to assign the authorization granted under this Power of Attorney to any other individual(s) or legal person(s) without issuing
any advance notice or obtaining my consent.

 

This Power of Attorney
shall be executed and come into effect as of the date set forth below. This Power of Attorney is coupled with an interest and is
irrevocable and validly existing for as long as I am a shareholder of the Company.

 

Should I desire to
exercise the rights entrusted to the WOFE hereunder, I shall provide the WOFE with advance notice of my intentions to do so and
agree that I shall have no authority to exercise such rights unless either (i) the rights are specifically reserved to me
hereunder or (ii) the WOFE, in its sole and absolute discretion, consents to such exercise.

 

Should I desire to exercise
the rights entrusted to the WOFE hereunder, I shall provide the WOFE with advance notice of my intentions to do so and agree that
I shall have no authority to exercise such rights unless either (i) the rights are specifically reserved to me hereunder or
(ii) the WOFE, in its sole and absolute discretion, consents to such exercise.

 

	Signature	 
	 	 
	/s/ Zhou Jian	 
	Zhou Jian 	 

 

Effective as of September 30, 2018Exhibit 10.8

 

同意函

SPOUSAL CONSENT

 

本人,喻先彬(身份证号码:                    ),为周登荣(身份证号码:42232319510712071X)之合法配偶。本人在此无条件并不可撤销地同意周登荣于2018年9月30日签署下列文件(下称“交易文件”),并同意按照以下文件的规定处置周登荣持有的、并登记在其名下的咸宁祥天能源控股集团有限公司(“境内公司”)的股权:

The undersigned, Yu
Xianbin (ID card No. ), is the lawful spouse of Zhou Dengrong, (ID card No. 42232319510712071X). I hereby unconditionally and irrevocably
agree to the execution of the following documents (hereinafter referred to as “Transaction Documents”) by Zhou
Dengrong on September 30,2018, and the disposal of the equity
interests of Xianning Xiangtian Energy Holding Group Co., Ltd. (hereinafter referred to as “Domestic Company”)
held by Zhou Dengrong, and registered in his name according to the following documents:

 

		(1)	与祥天(深圳)空气能电力有限公司(下称“WFOE”)及境内公司签署的《股权质押协议》;

Equity Interest Pledge Agreement
entered into between LuckSky (Shen Zhen) Aerodynamic Electricity Limited., (hereinafter referred to as the “WFOE”)
and Domestic Company;

 

		(2)	与WFOE及境内公司签署的《独家购买选择权协议》;和

Exclusive Option Agreement entered
into between the WFOE and Domestic Company; and

 

		(3)	周登荣签署的《授权书》。

Power of Attorney executed by Zhou
Dengrong.

 

本人承诺不就周登荣持有的境内公司股权主张任何权利。本人进一步确认周登荣,履行、修改或终止交易文件并不需要本人另行授权或同意。

I hereby undertake
not to make any assertions in connection with the equity interests of Domestic Company which are held by Zhou Dengrong. I hereby
further confirm that Zhou Dengrong can perform the Transaction Documents and further amend or terminate the Transaction Documents
absent authorization or consent from me.

 

本人承诺将签署一切必要的文件,并采取一切必要的行动,以确保(经不时修订的)交易文件得到适当履行。

I hereby undertake
to execute all necessary documents and take all necessary actions to ensure appropriate performance of the Transaction Documents
(as amended form time to time).

 

本人同意并承诺,如本人由于任何原因获得周登荣持有的境内公司的任何股权,则本人应受(经不时修订的)交易文件以及WFOE和境内公司之间于【】年【】月【】日签署的《业务合作框架协议》《独家管理、咨询、培训及技术服务协议》《专有技术再许可协议》(下合称“独家业务合作协议”)的约束,并遵守作为境内公司的股东在(经不时修订的)交易文件和独家业务合作协议下的义务,且为此目的,一旦WFOE提出要求,本人应签署格式和内容基本与(经不时修订的)交易文件和独家业务合作协议相同的一系列书面文件。

I hereby agree and
undertake that if I obtain any equity interests of Domestic Company which are held by Zhou Dengrong for any reasons, I shall be
bound by the-Business Cooperation Framework Agreement, Agreement on Exclusive Management, Consulting and Training and Technical
Services, Know-How Sub-License entered into between the WFOE and Domestic Company as of 【】,
2018 (“Exclusive Business Cooperation Agreement”) (as amended from time to time) and comply with the obligations
thereunder as a shareholder of Domestic Company. For this purpose, upon the WFOE’s request, I shall sign a series of written
documents in substantially the same format and content as the Transaction Documents and Exclusive Business Cooperation Agreement
(as amended from time to time).

 

[英文仅供参考]

[English Translation for Reference Only]

 

	 	
        /s/ Yu Xianbin

	 	日期:2018年9月30日
	 	Date: September 30, 2018Exhibit 10.9

 

同意函

SPOUSAL CONSENT

 

本人,徐燕(身份证号码:422302197711170761),为周剑(身份证号码:42232319771028075x)之合法配偶。本人在此无条件并不可撤销地同意周剑于2018年9月30日签署下列文件(下称“交易文件”),并同意按照以下文件的规定处置周剑持有的、并登记在其名下的咸宁祥天能源控股集团有限公司(“境内公司”)的股权:

The undersigned, Xu
Yan (ID card No. 422302197711170761), is the lawful spouse of Zhou Jian, (ID card No. 42232319771028075x). I hereby unconditionally
and irrevocably agree to the execution of the following documents (hereinafter referred to as “Transaction Documents”)
by Zhou Jian on 【】,2018, and the disposal
of the equity interests of Xianning Xiangtian Energy Holding Group Co., Ltd. (hereinafter referred to as “Domestic Company”)
held by Zhou Jian, and registered in his name according to the following documents:

 

		(1)	与祥天(深圳)空气能电力有限公司(下称“WFOE”)及境内公司签署的《股权质押协议》;

Equity Interest Pledge Agreement
entered into between LuckSky (Shen Zhen) Aerodynamic Electricity Limited., (hereinafter referred to as the “WFOE”)
and Domestic Company;

 

		(2)	与WFOE及境内公司签署的《独家购买选择权权协议》;和

Exclusive Option Agreement entered
into between the WFOE and Domestic Company; and

 

		(3)	周剑签署的《授权书》。

Power of Attorney executed by Zhou
Jian.

 

本人承诺不就周剑持有的境内公司股权主张任何权利。本人进一步确认周剑,履行、修改或终止交易文件并不需要本人另行授权或同意。

I hereby undertake
not to make any assertions in connection with the equity interests of Domestic Company which are held by Zhou Jian. I hereby further
confirm that Zhou Jian can perform the Transaction Documents and further amend or terminate the Transaction Documents absent authorization
or consent from me.

 

本人承诺将签署一切必要的文件,并采取一切必要的行动,以确保(经不时修订的)交易文件得到适当履行。

I hereby undertake
to execute all necessary documents and take all necessary actions to ensure appropriate performance of the Transaction Documents
(as amended form time to time).

 

本人同意并承诺,如本人由于任何原因获得周剑持有的境内公司的任何股权,则本人应受(经不时修订的)交易文件以及WFOE和境内公司之间于2018年9月30日签署的《业务合作框架协议》《独家管理、咨询、培训及技术服务协议》《专有技术再许可协议》(下合称“独家业务合作协议”)的约束,并遵守作为境内公司的股东在(经不时修订的)交易文件和独家业务合作协议下的义务,且为此目的,一旦WFOE提出要求,本人应签署格式和内容基本与(经不时修订的)交易文件和独家业务合作协议相同的一系列书面文件。

I hereby agree and
undertake that if I obtain any equity interests of Domestic Company which are held by Zhou Jian for any reasons, I shall be bound
by the-Business Cooperation Framework Agreement, Agreement on Exclusive Management, Consulting and Training and Technical Services,
Know-How Sub-License entered into between the WFOE and Domestic Company as of September 30, 2018 (“Exclusive Business
Cooperation Agreement”) (as amended from time to time) and comply with the obligations thereunder as a shareholder of
Domestic Company. For this purpose, upon the WFOE’s request, I shall sign a series of written documents in substantially
the same format and content as the Transaction Documents and Exclusive Business Cooperation Agreement (as amended from time to
time).

 

[英文仅供参考]

[English Translation for Reference Only]

 

	 	
        /s/ Xu Yan

	 	日期:2018年9月30日
	 	Date: September 30, 2018

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