Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; general equipment manufacturing (excluding special equipment manufacturing); machine tool functional parts and accessories manufacturing; machine tool functional parts and accessories sales; bearing manufacturing; bearings, gears and transmission parts manufacturing; goods import and export; Internet sales (except for the sale of goods requiring licenses); daily necessities sales; electric bicycle sales; bicycles and spare parts wholesale; motorcycles and spare parts wholesale; clothing and apparel wholesale; shoes and hats wholesale; cosmetics wholesale.