After the registration address of longgong trade and industry ltd. Is located in zhou jia, the economic development area of the cities of shandong province, the registration authority is the municipal market supervisory authority, represented by zhang bijang, which operates in such a way as to process, sell and sell parts and components of automobiles, agricultural cars and accessories, car bodies, agricultural machinery and accessories; sell mechanical and electrical equipment, instrumentation instruments, electronics, office supplies; decorate cars; import and export of goods and technology (projects subject to the approval of the relevant authorities in accordance with the law)