Production and sales of automotive maintenance and repair equipment; automotive parts production; packaging cartons, tinplate lids, general machinery processing; engine oil additive sales; production of additives, lubricants, automotive protective products for automobiles and industrial equipment, and related after-sales services; automotive technology and automotive protective product technology development; sales of self-produced products; use of self-produced products for motor vehicle maintenance; wholesale of similar products (excluding lubricants); goods import and export (commodities involving quota license management and special regulations shall be handled in accordance with national regulations). Disinfectant sales (excluding hazardous chemicals). Licensed items: hazardous chemicals operation. General items: disinfectant sales (excluding hazardous chemicals); advertising design and agency; advertising production; graphic design; fastener sales; hardware product wholesale; hardware product retail; machinery parts and components sales; packaging materials and products sales; packaging services; paper product manufacturing; paper product sales; special chemical product sales (excluding hazardous chemicals); wholesale of automotive parts and accessories; retail of automotive parts and accessories; automotive parts and accessories manufacturing; automotive decoration supplies manufacturing; automotive decoration supplies sales; petroleum product sales (excluding hazardous chemicals); chemical product sales (excluding licensed chemical products).