Automobile plastic fuel tanks, motorcycle plastic fuel tanks, automobile water tanks, automobile dashboards, automobile door panels, automobile interior parts, automobile air deflectors, automobile plastic parts, mold research and development, manufacturing and processing; sales of automobiles (excluding cars) and motorcycles; general cargo transportation; self-operated and agency import and export business of various commodities and technologies, except for goods and technologies that are restricted by the state or prohibited from import and export: special equipment manufacturing general items: refrigeration and air conditioning equipment manufacturing; automobile parts and accessories manufacturing; electric bicycle sales