Auto parts and accessories manufacturing; Motorcycle parts manufacturing; Auto parts retail; Auto parts wholesale; Auto parts research and development; Metal processing machinery manufacturing; Metal cutting processing services; Metal surface treatment and heat treatment processing; Quenching processing; Sales of metal products; Sales of metal materials; Processing of non-metal scrap and debris; Second-hand car distribution; Second-hand car brokerage; Used cars Appraisal and evaluation; sales of used automobiles; recycling of productive scrap metal; recycling of renewable resources (except productive scrap metal); processing of renewable resources; sales of renewable resources; R&D, manufacturing, and sales of automobile engines and marine engines; remanufacturing, processing, and sales of automobile parts; warehousing services (excluding hazardous chemicals); leasing of self-owned housing sites; and engaging in the import and export of goods and technology. .