Import and export of goods: sales of machinery and equipment;
Sales of intelligent instruments and meters: supply chain management services;
Sales of plastic products;
Sales of chemical products (excluding licensed chemical products): Wholesale of sports goods and equipment; Sales of industrial textile products; Wholesale of hardware products; Sales of needle textiles and raw materials; Sales of rubber products;
Sales of electronic measuring instruments;
Sales of building materials;
Sales of building decoration materials;
Retail of hardware products: sales of electronic products: sales of metal structures;
Sales of metal materials: sales of metal products;
Retail of sports goods and equipment: sales of household appliances;
Daily necessities sales: Sales of daily necessities.