New material technology development, consultation, exchange, transfer and promotion services; electric carbon product manufacturing; rubber parts manufacturing; auto parts and accessories manufacturing; motorcycle parts and accessories manufacturing; mold manufacturing; electrical auxiliary parts manufacturing; metal processing machinery manufacturing; construction engineering machinery manufacturing; rubber seal manufacturing; mechanical processing; sales of auto parts and accessories; sales of chemical products (excluding hazardous chemicals); sales of motorcycle parts and accessories; sales of mechanical equipment, hardware products and electronic products; online trade agency; import and export of goods; import and export of technology; road transportation of general goods.