General business items are: fan, fan manufacturing; Electronic special equipment manufacturing; Manufacturing of power electronic components; Fan, fan sales; Sales of electronic products; Electronic components manufacturing; Plastic products manufacturing; Sales of plastic products; Manufacture of rubber products; Rubber products sales; Electrical accessory manufacturing; Sales of electrical accessories; Manufacture of wire rope and its products; Sales of wire rope and its products; Hardware product development; Hardware product manufacturing; Magnetic material production; Sales of magnetic materials; Bearing manufacturing; High speed precision heavy duty bearing sales; Hydraulic power machinery and components manufacturing; Hydraulic power machinery and components sales; Wood-based panel manufacturing; Wood-based panel sales; Mechanical and electrical equipment manufacturing; Mechanical and electrical equipment sales; Generator and generator set manufacturing; Sales of generators and generator sets; Mold manufacturing; Mold sales; Display device manufacturing; Display device sales; Pneumatic and power tool manufacturing; Sales of pneumatic and power tools; Auto parts retail; Auto parts and accessories manufacturing; Motorcycle and spare parts retail; Motorcycle parts manufacturing; Electronic components retail; Integrated circuit sales; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Sales of power electronic components