According to the contract law of our country, when a company signs a contract, it is usually signed by the legal representative on behalf of the company, so it needs the legal representative to sign and affix the official seal. Article 9 The parties to a contract shall have corresponding capacity for civil rights and capacity for civil conduct. The parties may entrust an agent to conclude a contract according to law. Article 10 The parties may conclude a contract in writing, orally or in other forms. If laws and administrative regulations stipulate that it should be in writing, it should be in writing. If the parties agree to use written form, it shall be in written form. Article 50 A contract concluded by the legal representative or person-in-charge of a legal person or other organization beyond its authority is valid, unless the other party knows or should know that it has exceeded its authority.
Legal objectivity:
Article 61 of the Civil Code of People's Republic of China (PRC) According to the provisions of the law or the articles of association of a legal person, the person in charge of civil activities on behalf of a legal person is the legal representative of the legal person. The legal consequences of the legal representative's civil activities in the name of a legal person shall be borne by the legal person. The restriction of the legal representative's representation by the articles of association or the functions and powers of the legal person shall not be against the bona fide counterpart. Article 504 of the General Principles of the Civil Law of People's Republic of China (PRC) * * * A contract concluded by the legal representative of a legal person or the person in charge of an unincorporated organization is valid unless the other party knows or should know that it is beyond its authority, and the contract concluded is valid for the legal person or unincorporated organization.