Document:

Exhibit 10.8

 

Explanatory Note: This document has been translated
from the Chinese-language original for reference purposes only. While this English translation is believed to be generally accurate, it
is subject to, and qualified by, in its entirety, the Chinese-language original. Such Chinese-language original shall be the controlling
document for all purposes.

 

Purchase Advance Payment Contract

 

Party A (payer): Anhui Aokai Fa Grease Technology Co., Ltd.

Party B (Payee): Shucheng County Tianbao Camellia Oil Professional
Cooperative

 

Party B is Party A’s raw material supplier. In order to reduce
operating costs and enhance the partnership between the two parties, Party A agrees to prepay certain prices for the purchase of corresponding
raw materials for Party B’s obligation to provide Party A with Camellia seeds. After full negotiation by both parties, the following
contracts have been concluded:

 

1. Purpose of advance payment: Party B can only use the advance payment
paid by Party A to purchase camellia seed raw materials, and shall not use it for other purposes.

 

2. Prepaid amount: RMB 13,000,000

 

3. As Party B’s business scope also involves Camellia seed oil,
Party A may also provide Party B with Camellia seed oil of the same value as the advance payment to offset the advance payment. The price
of Camellia seed oil shall be in accordance with Party A’s regulations.

 

4. Repayment method: Party B will deduct the advance payment in the
form of Camellia seeds or equivalent currency to Party A. The repayment period shall not exceed twelve months per year, and special circumstances
shall be negotiated separately.

 

5. Party B promises to provide Party A with Camellia Seeds at a price
that is 2% lower than the actual price of Camellia Seeds on the actual delivery date. After the prepayment is deducted, the settlement
will be based on the actual market price.

 

6. If Party B fails to use the advance payment as required by the agreement,
Party A has the right to recover the advance payment and impose a penalty interest of three thousandths per day for the breached part.

 

7. For matters not covered, the two parties can negotiate and conclude
a supplementary contract. The supplementary contract has the same legal effect as this contract. Any party who fails to negotiate can
bring a lawsuit to the people's court in China.

 

8. This contract is valid for one year, and it will automatically terminate
when it expires.

 

9. This contract has two copies, with each party holding one copy,
and it will take effect from the date of signing.

 

/s/ Anhui Aokai Fa Grease Technology Co., Ltd.

Party A: Anhui Aokai Fa Grease Technology Co., Ltd.

Date: May 7, 2020

 

/s/ Shucheng County Tianbao Camellia Oil Professional Cooperative

Party B: Shucheng County Tianbao Camellia Oil Professional Cooperative

Date: May 7, 2020Exhibit 10.9

 

Explanatory Note: This document has been translated
from the Chinese-language original for reference purposes only. While this English translation is believed to be generally accurate, it
is subject to, and qualified by, in its entirety, the Chinese-language original. Such Chinese-language original shall be the controlling
document for all purposes.

 

Purchase Advance Payment Contract

 

Party A (payer): Anhui Aokai Fa Grease Technology Co., Ltd.

Party B (Payee): Kang Du

 

Party B is Party A’s raw material supplier. In order to reduce
operating costs and enhance the partnership between the two parties, Party A agrees to prepay certain prices for the purchase of corresponding
raw materials for Party B’s obligation to provide Party A with Camellia seeds. After full negotiation by both parties, the following
contracts have been concluded:

 

1. Purpose of advance payment: Party B can only use the advance payment
paid by Party A to purchase camellia seed raw materials, and shall not use it for other purposes.

 

2. Prepaid amount: RMB 4,000,000

 

3. As Party B’s business scope also involves Camellia seed oil,
Party A may also provide Party B with Camellia seed oil of the same value as the advance payment to offset the advance payment. The price
of Camellia seed oil shall be in accordance with Party A’s regulations.

 

4. Repayment method: Party B will deduct the advance payment in the
form of Camellia seeds or equivalent currency to Party A. The repayment period shall not exceed twelve months per year, and special circumstances
shall be negotiated separately.

 

5. Party B promises to provide Party A with Camellia Seeds at a price
that is 2% lower than the actual price of Camellia Seeds on the actual delivery date. After the prepayment is deducted, the settlement
will be based on the actual market price.

 

6. If Party B fails to use the advance payment as required by the agreement,
Party A has the right to recover the advance payment and impose a penalty interest of three thousandths per day for the breached part.

 

7. For matters not covered, the two parties can negotiate and conclude
a supplementary contract. The supplementary contract has the same legal effect as this contract. Any party who fails to negotiate can
bring a lawsuit to the people's court in China.

 

8. This contract is valid for one year, and it will automatically terminate
when it expires.

 

9. This contract has two copies, with each party holding one copy,
and it will take effect from the date of signing.

 

/s/ Anhui Aokai Fa Grease Technology Co., Ltd.

Party A: Anhui Aokai Fa Grease Technology Co., Ltd.

Date: May 20, 2020

 

/s/ Kang Du

Party B: Kang Du

Date: May 20, 2020Exhibit 10.10

 

Explanatory Note: This document has been translated
from the Chinese-language original for reference purposes only. While this English translation is believed to be generally accurate, it
is subject to, and qualified by, in its entirety, the Chinese-language original. Such Chinese-language original shall be the controlling
document for all purposes.

 

Purchase Advance Payment Contract

 

Party A (payer): Anhui Aokai Fa Grease Technology Co., Ltd.

Party B (Payee): Anhui Yami Agricultural Technology Co., Ltd.

 

Party B is Party A’s raw material supplier. In order to reduce
operating costs and enhance the partnership between the two parties, Party A agrees to prepay certain prices for the purchase of corresponding
raw materials for Party B’s obligation to provide Party A with Camellia seeds. After full negotiation by both parties, the following
contracts have been concluded:

 

1. Purpose of advance payment: Party B can only use the advance payment
paid by Party A to purchase camellia seed raw materials, and shall not use it for other purposes.

 

2. Prepaid amount: RMB 12,000,000

 

3. As Party B’s business scope also involves Camellia seed oil,
Party A may also provide Party B with Camellia seed oil of the same value as the advance payment to offset the advance payment. The price
of Camellia seed oil shall be in accordance with Party A’s regulations.

 

4. Repayment method: Party B will deduct the advance payment in the
form of Camellia seeds or equivalent currency to Party A. The repayment period shall not exceed twelve months per year, and special circumstances
shall be negotiated separately.

 

5. Party B promises to provide Party A with Camellia Seeds at a price
that is 2% lower than the actual price of Camellia Seeds on the actual delivery date. After the prepayment is deducted, the settlement
will be based on the actual market price.

 

6. If Party B fails to use the advance payment as required by the agreement,
Party A has the right to recover the advance payment and impose a penalty interest of three thousandths per day for the breached part.

 

7. For matters not covered, the two parties can negotiate and conclude
a supplementary contract. The supplementary contract has the same legal effect as this contract. Any party who fails to negotiate can
bring a lawsuit to the people's court in China.

 

8. This contract is valid for one year, and it will automatically terminate
when it expires.

 

9. This contract has two copies, with each party holding one copy,
and it will take effect from the date of signing.

 

/s/ Anhui Aokai Fa Grease Technology Co., Ltd.

Party A: Anhui Aokai Fa Grease Technology Co., Ltd.

Date: May 6, 2020

 

/s/ Anhui Yami Agricultural Technology Co., Ltd.

Party B: Anhui Yami Agricultural Technology Co., Ltd.

Date: May 6, 2020Exhibit 10.11

 

Explanatory Note: This document has been translated
from the Chinese-language original for reference purposes only. While this English translation is believed to be generally accurate, it
is subject to, and qualified by, in its entirety, the Chinese-language original. Such Chinese-language original shall be the controlling
document for all purposes.

 

Purchase Advance Payment Contract

 

Party A (payer): Anhui Aokai Fa Grease Technology Co., Ltd.

Party B (Payee): Huasheng Farmers Professional Cooperative of Shucheng
County

 

Party B is Party A’s raw material supplier. In order to reduce
operating costs and enhance the partnership between the two parties, Party A agrees to prepay certain prices for the purchase of corresponding
raw materials for Party B’s obligation to provide Party A with Camellia seeds. After full negotiation by both parties, the following
contracts have been concluded:

 

1. Purpose of advance payment: Party B can only use the advance payment
paid by Party A to purchase camellia seed raw materials, and shall not use it for other purposes.

 

2. Prepaid amount: RMB 12,000,000

 

3. As Party B’s business scope also involves Camellia seed oil,
Party A may also provide Party B with Camellia seed oil of the same value as the advance payment to offset the advance payment. The price
of Camellia seed oil shall be in accordance with Party A’s regulations.

 

4. Repayment method: Party B will deduct the advance payment in the
form of Camellia seeds or equivalent currency to Party A. The repayment period shall not exceed twelve months per year, and special circumstances
shall be negotiated separately.

 

5. Party B promises to provide Party A with Camellia Seeds at a price
that is 2% lower than the actual price of Camellia Seeds on the actual delivery date. After the prepayment is deducted, the settlement
will be based on the actual market price.

 

6. If Party B fails to use the advance payment as required by the agreement,
Party A has the right to recover the advance payment and impose a penalty interest of three thousandths per day for the breached part.

 

7. For matters not covered, the two parties can negotiate and conclude
a supplementary contract. The supplementary contract has the same legal effect as this contract. Any party who fails to negotiate can
bring a lawsuit to the people's court in China.

 

8. This contract is valid for one year, and it will automatically terminate
when it expires.

 

9. This contract has two copies, with each party holding one copy,
and it will take effect from the date of signing.

 

/s/ Anhui Aokai Fa Grease Technology Co., Ltd.

Party A: Anhui Aokai Fa Grease Technology Co., Ltd.

Date: May 7, 2020

 

/s/ Anhui Yami Agricultural Technology Co., Ltd.

Party B: Huasheng Farmers Professional Cooperative of Shucheng County

Date: May 7, 2020

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