Document:

Exhibit 10.4

 

Employment Contract for Xiaoliang Xue

 

Employer (Party A): Wenzhou Xibolun
Fluid Equipment Co., Limited

 

Address: 15th Road, 3rd Av., Binhai Ind. Park

 

Employee (Party B): Xiaoliang Xue,
male; college education; born in Jangsu Province

 

		I.	Contract period

 

2015-01-01 till 2016-12-31

 

		II.	Work location and title 

 

Party B agrees to work in Wenzhou
based on the job requirement and with the job title as Chief Technology Officer.

 

		III.	Work hours

 

It is standard work hours of 8
hours/day; any overtime arrangement will follow relevant regulations by the government and as agreed on by both parties. Party
B enjoys all holidays and vacation rights under the national regulations during the contract period.

 

		IV.	Employment protection, work condition and protection against occupational hazards:

 

Party A shall strictly follow
all laws and regulations related to labor protection by the national and local government and shall provide Party B with necessary
work conditions and tools, establish safe production process, design standard operating instructions, work specifications and labor
safety and health system.

 

If Party B involves in occupational
hazards, Party A shall follow the national regulations to perform pre-service and post-service occupational health check; and shall
provide regular health examinations during the contract period.

 

Party A is obligated to provide
education and training regarding professional ethics, business technology, labor safety and health and regulations and rules.

 

		V.	Compensation:

 

It is hourly based wage system.
Party B shall be paid RMB 10,000 per month. Party B shall not delay or hold it without reason. If Party A ceases to operate, manufacture,
or shut down less than one month, Party A shall pay salary to Party B by the compensation standard under this contract. If it happens
over one month and no work is assigned to Party B, Party A shall pay Party B lay-off stipend not lower than the local unemployment
insurance standard.

 

		VI.	Social insurance and benefits:

 

Following the related national
and local social insurance law, Party A shall pay social insurance fee on behalf of Party B; as to the individual payment part
for the social insurance, Party A shall deduct form Party B’s salary.

 

Upon the termination of the
contract, Party A shall perform relevant social insurance procedure for Party B.

 

Any other benefits shall be based
on relevant policies and regulations by the national and local government.

 

    	 

    	 

    

   

		VII.	Labor disciplines and regulations:

 

Party A shall make all legally
designed labor disciplines and regulations public to Party B. Party B shall strictly follow regulations and rules of Party A and
shall complete all tasks, improve his/her professional skills and execute all labor disciplines and ethics. If Party B violates
any regulations, Party A can give appropriate administrative sanctions or terminate the contract under worse scenario according
to its disciplines and regulations.

 

		VIII.	Change, revision and termination of the contract:

 

If objective
circumstances based on which this contract was signed change so materially that this contract cannot be performed any more, the
contract terms can be revised with both parties’ consent.

 

The contract can be terminated
with both parties’ consent, or under any other situation provided by law.

 

Upon the expiration of the contract,
if the work relation between both parties still exists, Part A shall timely update the contract or renew such contract.

 

		IX.	Financial compensation and damages:

 

If Party A terminates the contract,
it shall pay Party B financial compensation based on Article 47 of Labor Contract Law and local provisions.

 

If Party B suffers illness or injuries from work, after labor appraisal committee confirms that he cannot
either fulfill his responsibility of original work, or engage other work arranged by Party A, so this contract is terminated, Party
A shall follow the regulation of Article 40 of Labor Contract Law.

 

If Party A discharges or terminates
this contract in violation of regulations, it shall pay damages to Party B twice of the financial compensation provided by Article
47 of Labor Contract Law.

 

If Party
B violates the regulation and terminates the contract and causes loss of Party A, he shall pay Party A following loss:

 

		1.	all application and training fee paid by Party A,

 

		2.	the direct economic loss caused to Party A, and

 

		3.	other compensation costs mentioned in the contract.

 

		X.	Others:

 

Parties will engage a separate
confidentiality agreement.

 

		XI.	Dispute resolution:

 

Any labor dispute regarding
performance of this contract can be brought up to Party A’s committee of labor dispute mediation. If it cannot be mediated
or any party is not willing to mediate, any party can apply for arbitration to Longwan Labor Dispute Arbitration Committee within
one year after the dispute happens.

 

Any unresolved issue of this
contract, parties can negotiate. If national laws and regulations have other requirements, they should be followed. This contract
shall be filed to local labor protection department for record.

 

This contract is in duplicate.
Party A and Party B each have one copy.

 

    	 

    	 

    

  

Party A: /s/ Wenzhou Xibolun Fluid
Equipment Co., Limited

 

Party B: /s/ Xiaoliang Xue

 

The contract was signed on 2015-01-01.Exhibit 10.5

 

Use of Intellectual Property without
Compensation Agreement

 

Party A: Wenzhou Xibolun Fluid Equipment
Co., Limited

 

Party B: Anyuan Sun 

 

According to People’s Republic of
China Intellectual Property Law and relevant regulations, Party B agrees to let Party A use his legally gained patents and
trademarks without compensation during its valid period of time. The coverage is as follows:

 

1. Utility Model

 

	No.	 	Name	 	Patent Number	 	Application Date	 	Validation
	1	 	A type of angle seat valve	 	ZL 2011 2

 0510956.8	 	2011-12-9	 	10 years since the

 application date
	2	 	A type of Diaphragm valve	 	ZL 2012 2

 0315506.8	 	2012-6-28	 	10 years since the 

application date
	3	 	A type of process control

 diaphragm valve	 	ZL 2012 2

 0315498.7	 	2012-6-28	 	10 years since the

 application date

 

2. Trademark

 

	No.	 	Name	 	Registration Number	 	Registration Valid Period
	1	 	[Xibolun]	 	3903979	 	10 years; from 2005-12-28 till 2015-12-27
	2	 	[Xibolun]	 	5610464	 	10 years; from 2009-12-07 till 2019-12-06

 

Party A: /s/ Wenzhou Xibolun Fluid
Equipment Co., Limited

 

Party B: /s/ Anyuan Sun

 

The contract was signed on 2011-07-01.Exhibit 10.6

 

Form of Liquid Capital Loan Contract

 

(Contract No.        )

 

Borrower: [     ]

 

Loaner: Bank of China Ltd. Wenzhou Longwan
Branch

 

		I.	Loan amount:

 

Currency: [___].

 

Amount:
[___].

 

		II.	Loan period: [___] months [___] days, from the actual withdrawal date (or the first withdrawal
date if installment withdrawal).

 

		III.	Loan purpose: [___]. Without written consent of the Loaner, the Borrower cannot change the
loan purpose.

 

		IV.	Loan interest rate, interest calculation and interest settlement:

 

		1.	Loan interest rate is No. [___]

 

		1)	Fixed rate: Loan interest rate of year would be [___] %
without fluctuating during the period of the contract.

 

		2)	Fluctuated rate: the actual withdrawal date (or the first withdrawal date if installment withdrawal)
will be the starting date, and every [___] months [___] years will be a fluctuation period.

 

		2.	Interest is calculated since the actual withdrawal date (or the first withdrawal date if installment
withdrawal).

 

		3.	Loan interest will be settled quarterly. The 20th of the last month of each quarter
would be interest settlement date and the 21st would be the pay date for loan interest.

 

		4.	Penalty interest will be calculated if the loan is not repaid timely or is used in violation of
this agreement.

 

		V.	Withdraw plan:

 

Borrower should withdraw according
to the flowing [___]:

 

		1.	Withdraw on [___].

 

		2.	Withdraw within [___] days from [___].

 

		3.	Withdraw in following installments: [___]

 

    	1

    	 

    

  

		VI.	Repay plan:

 

Borrower should withdraw according
to the flowing [___]:

 

		1.	Repay all the loan when the loan period is due.

 

		2.	Repay according to following plan: [___].

 

If Borrower needs to change the
repay deadline, it shall send a written application to Loaner at least one business day in advance. The change should be agreed
upon by other parties.

 

		VII.	Guarantee: 

 

The contract is the main contract
of the Maximum Guarantee Contract / Maximum Mortgage Contract / Maximum Pledge Contract (No. [___]) signed
by guarantor [___] who will provide maximum guarantee/mortgage/pledge.

 

The contract is the main contract
of the Maximum Guarantee Contract / Maximum Mortgage Contract / Maximum Pledge Contract (No. [___]) signed
by guarantor [___] who will provide maximum guarantee/mortgage/pledge.

 

The contract is the main contract
of the Maximum Guarantee Contract / Maximum Mortgage Contract / Maximum Pledge Contract (No. [___]) signed
by guarantor [___] who will provide maximum guarantee/mortgage/pledge.

 

		VIII.	Other:

 

 

Under the circumstances
as below, the loaner has the right to have the borrower provide a new guarantee:

 

		1.	Certain events happen that assure the loaner to think that the borrower or guarantor can’t
performance the contract;

 

		2.	The guarantee contract became invalid, revoked or terminated;

 

		3.	The financial situation of the borrower and guarantor deteriorated or they are involved in significant
litigation or arbitration cases;

 

		4.	The guarantee breaches the contract, or the collateral is devalued, damaged, lost in fire, or was
sealed which results in decrease or loss of collateral value.

 

Borrower: [___]

 

Loaner: Bank of China
Ltd. Wenzhou Longwan Branch

 

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