Sales of industrial textile products; General merchandise sales; Gift flower sales; Sales of needle textiles; Sales of needle textiles and raw materials; Instrument sales; Auto parts wholesale; Automobile decoration supplies sales; Auto parts retail; Sales of machinery parts and spare parts; Machinery and equipment sales; Sales of non-metallic minerals and products; Sales of chemical products (excluding licensed chemical products); Retail of arts and crafts and collectibles (other than ivory and its products); Sales of plastic products; Hardware wholesale; Hardware retail; Pipeline transportation equipment sales; Electric wire and cable operation; Wholesale of arts and crafts and collectibles (except ivory and its products); Software development; Sales of electronic products; Wholesale of electronic components; Research and development of electronic special materials; Retail of electronic components; Electrical equipment sales; Sales of power electronic components; Sales of household appliance parts and accessories;