Auto parts and accessories manufacturing; Motorcycle parts manufacturing; General parts manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Mechanical parts and parts processing; Mechanical and electrical equipment manufacturing; Off-highway recreational vehicle and spare parts manufacturing; Electric motor manufacturing; Guangdong; Wholesale of auto parts and accessories; Retail of auto parts and accessories; Sales of mechanical parts and components; Wholesale of motorcycles and spare parts; Retail sale of motorcycles and spare parts; Sales of machinery and equipment; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of pneumatic power machinery and components; Sales of assistive bicycles, scooters and spare parts; Sales of valves and cocks; Sales of off-highway recreational vehicles and spare parts; Internet sales (except for the sale of goods requiring licenses); Import and export of goods; Import and export of technology.