Manufacturing of auto parts and accessories; manufacturing of auto decorative products; motor manufacturing; wholesale of auto parts; sales of auto decorative products; retail of auto parts; auto parts research and development; automobile sales; sales of new energy vehicles; motorcycle parts manufacturing; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; manufacturing of generators and generator sets; sales of generators and generator sets; import and export of goods; technology import and export; import and export agency; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; medical care Retail of personal protective equipment; wholesale of protective equipment for medical staff; 3D printing services; general cargo warehousing services (excluding hazardous chemicals and other items requiring license approval); hardware product manufacturing; hardware product wholesale; hardware product retail; hardware product research and development; general parts manufacturing; transformer, rectifier and inductor manufacturing; electronic component manufacturing; electronic component wholesale; electronic component retail; international cargo transportation agency; domestic cargo transportation agency; lubricant sales; engineering and technology research and experimental development; non-residential real estate leasing