Design, processing, assembly, production advertising use electronic products, small metal castings, AC synchronous motor torque, torque motor application products, polyurethane beer barrel valve handle, injection molding machine and battery components, electrical, electronic components, electrical appliances, metal parts, plastic parts, pet grooming, health supplies, sales of the company produced products. Raw materials and parts of similar products of import and export and wholesale companies, raw materials and parts of water treatment products (applications shall be handled in accordance with the relevant provisions of the state if they do not involve state-owned trade commodities, but commodities subject to quota and license administration). (for projects subject to approval according to law, business activities can only be carried out after the approval of relevant departments)