Road transport of goods (excluding dangerous goods). General projects: industrial robot manufacturing; research and development of intelligent robots; installation and maintenance of industrial robots; sales of intelligent robots; sales of industrial robots; research and development of auto parts; manufacturing of auto parts and accessories; production of battery parts; sales of battery parts; manufacturing of motorcycle parts; manufacturing of general parts; manufacturing of other general instruments; mechanical parts, Parts processing; hardware product manufacturing; engineering plastics and synthetic resin sales; import and export of goods; housing leasing; non-residential real estate leasing; production and sales: industrial molds, powder spray products; sales: chemical products and raw materials, building materials (the above two items do not include hazardous chemicals), daily necessities, plastic products, metal materials (excluding rare and precious metals);.