Manufacturing of compressor parts for internal combustion engines, automobiles and motorcycles; manufacturing and sales of general non-standard machinery. Sales of steel fireproof and anti-theft doors, hardware, chemical products (excluding dangerous goods), furnace materials, building materials, steel, electrical machinery and equipment, and motorcycles; operating the import and export business of the company’s self-produced products. (The above business scope shall be subject to national special franchise regulations if they are involved)