A labor subcontract shall be stamped with the seal of the legal representative and the official seal of the company, or it may be signed by the legal representative and stamped with the official seal of the company. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it. Where the parties conclude a contract in the form of a contract, the place where the contract is finally signed, sealed or fingerprinted shall be the place where the contract is established, unless otherwise agreed by the parties. Article 490 of the Civil Code of People's Republic of China (PRC): If the parties conclude a contract in the form of a contract, the contract is concluded when the parties sign, seal or fingerprint it. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it. A contract shall be concluded in written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.