Manufacturing of motorcycles, motorcycle engines, vehicle parts, electric tricycles, electric four-wheelers, electric bicycles, electric motorcycles, tricycles, bicycles, intelligent disabled vehicles, off-road tourist vehicles, motors, vehicle transformers, mechanical parts, electrical parts, electric vehicle frames, and hardware Manufacturing; manufacturing and processing of plastic products (except for medical use); assembly and sales of three-wheeled motorcycles; sales of automobiles, hardware products, household appliances, and chemical products (except hazardous chemicals); self-operated and agency import and export business of various commodities and technologies, except for commodities and technologies that are restricted by the state or prohibited from import and export.