Manufacturing of pumps and vacuum equipment; sales of pumps and vacuum equipment; manufacturing of household appliances; sales of household appliances; manufacturing of pneumatic and electric tools; sales of pneumatic and electric tools; manufacturing of motorcycle parts; manufacturing of motors; manufacturing of general parts; manufacturing of general equipment (excluding manufacturing of special equipment); manufacturing of plastic products; wholesale of automobile parts; sales of plastic products; manufacturing of sanitary ware ; Retail sales of hardware products; sales of chemical products (excluding licensed chemical products); sales of machinery and equipment; mold manufacturing; sales of molds; sales of building materials; sales of daily necessities; sales of packaging materials and products; wholesale of clothing and apparel; retail of clothing and apparel; import and export of goods; import and export agents; technology import and export; R&D of household appliances; R&D of sanitary ware; R&D of hardware products.