Demander: (hereinafter referred to as Party A)

Supplier: (hereinafter referred to as Party B)

After friendly negotiation between Party A and Party B, this contract is entered into for the purpose of ***Comply with each other.

1. Project name and location:

1. Project name:

2. Project location:

2. Product name, Trademark, quantity, unit price

1. Commodity concrete strength grade and unit price

3. Quality and weight acceptance standards, methods and objection period:

1. Quality acceptance standards: Implemented in accordance with national ______--______ standards, Party B will deliver the commercial concrete factory certificate and quality inspection report to Party A according to the number of trains;

1.1 Strength: Concrete pit pressure and flexural resistance The strength test shall be carried out in accordance with the relevant provisions of The relevant provisions of ______ shall be carried out;

1.3 Concrete impermeability and frost resistance: The concrete impermeability and frost resistance tests shall be carried out in accordance with the relevant provisions of ___;

1.4 Total chloride ion content: The total chloride ion content of the concrete mixture can be calculated based on the chloride ion content of each component material of the concrete;

1.5 Radionuclide radioactivity specific activity: Concrete radioactivity specific activity The test shall be carried out in accordance with the relevant provisions of ___;

1.6 Special requirements items: For inspection items with special requirements in the contract, they shall be carried out in accordance with the relevant national standards. If there are no corresponding standards, they shall be carried out in accordance with the provisions of the contract. .

2. Quality re-inspection: Party A and Party B will take samples from each batch of products, seal them and submit them for inspection. Party B does not participate in the sampling and is deemed to agree with Party A’s sampling and sealing of the samples.

3. Quality objection handling method: When Party A has objections to the quality of the goods supplied by B, both parties will jointly take samples and seal them, and jointly entrust government quality supervision within two working days. The management department conducts appraisals in accordance with the quality acceptance standards agreed in this contract, and uses the appraisal quality report as the basis for judgment. Once a substandard product is found, no settlement will be made. If the product has been used and caused losses to Party A, Party B will compensate Party A. All losses caused by the party.

4. If it is discovered that the delivered goods are not of Party A’s designated brand without Party A’s consent, settlement will not be made, and any losses caused to Party A will be borne by Party B.

5. Party B is responsible for all quality problems mixed by supplier B.

6. Calculation method of quantity and weight: After the goods arrive at the construction site, Party A and Party B shall jointly supervise and assist in weighing and acceptance (if the weighing weight does not reach the weight range of the corresponding strength grade commercial concrete) The amount of concrete will be deducted in proportion), the weight difference is allowed to be within ___%, and the difference within ___% (including ___%) will be borne by Party A, and the difference exceeding ___% Part of it shall be borne by Party B). After the measurement is completed, both parties A and B should sign the warehousing order and delivery order. The warehousing order and delivery order should clearly indicate the date of receipt, name, specification model, quantity, unit, name of the consignee, unit, etc., and the delivery date. The quantity shall be subject to the signatures and approvals of both parties A and B. The goods supplied by Party B must be inspected by a designated person designated by Party A as a settlement voucher.

The designated acceptance person by Party A is:

Name : Contact information:

Name: Contact information:

IV. Delivery location and method

1. Delivery location: Party A’s designated location, Party B is responsible for Transport and bear all transportation and related expenses.

2. Delivery method: Party B is responsible for delivering the goods to Party A's construction site, unloading to the unloading location designated by Party A, and is responsible for the shipment

5. Payment method

1. The main cap is paid to ___ of the completed project, and the remaining balance is paid within ________ year after the main cap is capped;

2. The ___ of the completed project is paid half a year after all the outdoor ancillary projects are completed. , the remaining balance will be paid within ________ years after the outdoor project is completed.

3. Payment must be made with a receipt stamped with the special financial seal of Party B’s company, otherwise Party B’s company will not approve it;

4. Account opening bank: ;Account number: ;

5. Party B shall bear the responsibility for delay in payment due to Party B's failure to provide qualified warehousing orders and delivery orders in a timely manner, and shall not affect the subsequent supply of concrete products.

6. If the quality and delivery period fail to meet the agreed requirements, Party B has no right to demand any payment before the processing is completed. If the contract is terminated because the quality and delivery period fail to meet the agreed requirements, Payment for performed goods is subject to contract payment upon completion of processing.

7. Party B shall issue a "statement of account" before each application for payment, and check the specifications, models, quantities, unit prices and other information supplied with Party A's handling personnel. Submit the "Project Department Project and Material Payment Approval Form" as required by Party A, and at the same time submit a formal tax invoice with the same amount as the applied payment amount. Party A will pay the corresponding payment within three working days after the payment approval process is completed.

VI. Liability for breach of contract and other agreed matters:

1. Party B guarantees that all staff will bring certificates to work, abide by disciplines and laws, and ensure the safety of all personnel during the loading, transportation and unloading process. Party B shall be solely responsible for accidents, traffic accidents and other responsibilities and bear all losses caused thereby. Party A shall have the right to deduct it from any payment payable by Party B.

2. After Party B’s vehicles, personnel and equipment arrive at the construction site, they should obey Party A’s instructions. After Party B’s products arrive at the location designated by Party A, they should cooperate with Party A to protect the environmental sanitation around the construction site as required by Party A. , if disobeying Party A’s management has an impact on the environmental sanitation protection of the location where Party A’s construction site is located, Party B shall bear all losses caused to Party A in addition to the penalties imposed by the relevant government functional departments.

3. Once this contract is signed, Party B must ensure the timely supply of materials and deliver the goods to the designated location as required by Party A. Party B must arrive at the time notified by Party A's order. Except for force majeure, for each day of delay, Party B shall pay liquidated damages to Party A at the rate of one day, and Party A can directly deduct it from Party B's payment; if there is a single delay, When the date is reached, Party A has the right to terminate the contract between the two parties, and Party B shall bear the losses for breach of contract based on the total payment for the concrete purchased by Party A.

4. Party B is responsible for doing a good job in mass work, coordinating local relations, maintaining the order of feeding, and preventing and solving problems due to feeding

5. The cement for commercial concrete provided by Party B must be Party A shall designate a brand (Nanfang, Sinoma, Niuli). If Party B’s cement is of another brand, Party B shall be responsible for all losses caused to Party A.

6. Party B is responsible for providing on-site technical services and guidance.

7. Party B is responsible for providing qualified commercial concrete data for this project.

8. If the materials provided by Party B cannot be guaranteed, it must be submitted days in advance. Party B will be responsible for the losses caused by Party A if the submission is not made in time.

9. Due to reasons not caused by Party A, if Party B’s interruption or untimely supply of commercial concrete causes quality accidents to Party A’s engineering entities or the failure of normal construction, Party A shall comply with relevant specifications. All costs incurred in requesting processing shall be borne by Party B.

7. Methods for resolving contract disputes: friendly negotiation between the two parties or ruling by the people's court where Party A is located. If Party A's breach of contract causes Party B to resort to litigation or arbitration to realize its creditor's rights, Party A shall bear the litigation fees and execution fees paid by Party B for this purpose.

8. This contract is made in four copies, with Party A each holding two copies. It will take effect from the date of signature and sealing by both parties. It will automatically expire after the implementation of each contract clause.

Party A (seal): Party B (seal):

Appointed agent (signature): Appointed agent (signature):

Contact number : Contact number:

_______year____month____day________year____month____day