1. If it is a multi-party cooperation, multiple participants can be specified in the contract;

2. This contract shall be signed and sealed by all participants respectively to ensure its legal effect;

3. The establishment and effective time of this contract is the date of signature and seal by all parties;

Even if only the surname is signed in the contract, it is true and the contract is valid.

Contract type:

1. Sales contract: involving the sale of goods, stipulating the delivery time, place, quantity, quality, price and other terms;

2. Lease contract: involving the lease of houses, vehicles, equipment and other items, specifying the rent, lease term, maintenance responsibilities, etc. ;

3. Contract: One party entrusts the other party to complete a certain work, such as construction project, processing and repair, etc. , and stipulated the work content, quality requirements, remuneration, etc.

4. Technology contract: including technology development, transfer, consultation and service, involving the use and management of technology;

5. Labor contract: an agreement between the employer and the employee, stipulating the work content, wages and benefits, working hours, contract term, etc.

6. Insurance contract: the insurance company promises to pay the insurance premium under certain circumstances, and the insured pays the insurance premium;

7. Loan contract: the borrower borrows money from the lender and stipulates the repayment time and interest;

8. Partnership contract: an agreement between two or more partners to jointly invest in the enterprise, share profits and share risks;

9. Transportation contract: The transportation party promises to transport the goods or passengers from one place to another, specifying the freight and responsibilities;

10. Entrustment contract: the principal entrusts the trustee to handle certain affairs on his behalf, such as shopping and investment.

To sum up, when signing a contract with multiple Party B, Party A shall ensure that all participants are clearly listed in the contract and signed and sealed by all parties. This contract comes into effect as of the date of signature and seal. Even if the signature is only a surname, this contract is still valid as long as it reflects the true will.

Legal basis:

People's Republic of China (PRC) Civil Code

Article 470

The contents of a contract are agreed upon by the parties, and generally include the following terms: (1) the name and domicile of the parties; (2) Subject matter; (3) quantity; (4) quality; (5) Price or remuneration; (6) Time limit, place and method of performance; (7) Liability for breach of contract; (8) Methods for resolving disputes. The parties may conclude a contract by referring to the model texts of various contracts.