The registration address of the company is pyeong shu township, grand township, pancho town township, pancho town township, hebei province, with the registration authority being the grand city municipal market supervision authority, represented by a legal person, and includes general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; sale of construction materials; sale of insulation and soundproofing materials; sale of warm materials; retail distribution of hardware products; sale of plastics products; sale of rubber products; and consulting on engineering prices. (a) licensing projects (in addition to projects subject to legal authorization, operating on an autonomous basis under a business licence); (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)