Legal analysis: three groups of legal relations can determine the documents needed for OEM production: the first group is the entrusting party and the trademark office. In this group of relationships, the entrusting party needs to apply for the trademark right according to the Trademark Law in order to obtain the corresponding documents; The second group is the entrusted party, that is, the unit that specifically processes products. This unit needs to have production qualification, so the production unit needs to apply to the market supervision and management department for the corresponding administrative license certificate; The third group, the OEM's entrusting party and the entrusted party need to sign a legal and effective entrusted processing contract.

Legal basis: Trademark Law of People's Republic of China (PRC).

Article 3 Trademarks approved for registration by the Trademark Office are registered trademarks, including commodity trademarks, service trademarks, collective trademarks and certification trademarks; Trademark registrants enjoy the exclusive right to use trademarks and are protected by law.

The term "collective trademark" as mentioned in this Law refers to a sign registered in the name of a group, association or other organization for members of the organization to use in business activities, so as to show the membership of users in the organization.

The term "certification trademark" as mentioned in this Law refers to a mark controlled by an organization with the ability to supervise goods or services and used by units or individuals outside the organization to prove the origin, raw materials, manufacturing methods, quality or other specific qualities of the goods or services.

Special matters concerning the registration and management of collective trademarks and certification trademarks shall be stipulated by the administrative department for industry and commerce of the State Council.

Article 22 An applicant for trademark registration shall fill in the category and name of the goods using the trademark in accordance with the prescribed commodity classification table and apply for registration.

An applicant for trademark registration may apply for the registration of the same trademark for many kinds of goods through one application.

Applications for trademark registration and other relevant documents may be submitted in written form or in the form of data messages.

People's Republic of China (PRC) Administrative Licensing Law

Article 39 Where an administrative organ makes a decision to grant an administrative license and needs to issue an administrative license certificate, it shall issue the following administrative license certificate stamped with the seal of the administrative organ to the applicant: (1) License, license or other license documents; (2) Qualification certificate, qualification certificate or other qualification certificate; (3) the approval documents or certification documents of the administrative organ; (four) other administrative licensing documents as prescribed by laws and regulations. When an administrative organ carries out inspection, testing and quarantine, it may label or affix the seal of inspection, testing and quarantine to the equipment, facilities, products and articles that pass the inspection, testing and quarantine.

Article 40 The decision made by an administrative organ to grant an administrative license shall be made public and the public shall have the right to consult it.

Article 9 19 of the Civil Code of People's Republic of China (PRC)? An entrustment contract is a contract in which the principal and the trustee agree that the trustee will handle the principal's affairs.