1. In an English contract, the signer needs to sign his name, and indicate the appropriate authorization and date of signing. At the same time, if the party is a company, in addition to the company seal, it must also have the signature of the representative, and usually indicate the position and signing authority of the representative.

2. In a Chinese contract, if the party is a company, the signature column should be stamped with the company seal, and the signature of the representative is also required, usually indicating the position (title) and signature authority of the representative.