1) written application of the enterprise; 2) Letter of introduction from the unit (introducing the agent); (3) Business License of Enterprise as a Legal Person issued by the administrative department for industry and commerce; 4) Foreign trade enterprises: registration form; Foreign-funded enterprises: approval certificate, approval of contract articles of association, and contract articles of association; 5) Organization code certificate issued by the national technical supervision department; 6) Customs declaration registration certificate; 7) Two one-inch photos.