Legal analysis: according to the agreement, if it is agreed, this agreement will come into effect after being signed by the legal representative or sealed by the company; If it is agreed that this agreement requires the seal of the legal representative and the company, it shall be sealed by the company.

Legal basis: People's Republic of China (PRC) Civil Code (Contract Edition)

Article 502 A lawfully formed contract shall become effective upon its formation, unless otherwise provided by law or agreed by the parties.