Manufacture of sanitary ware; Manufacture of sanitary ceramic products; Manufacture of arts, crafts, and ceremonial articles (excluding ivory products); Manufacture of non-metallic mineral products; Processing and manufacture of building ceramic products; Manufacture of hardware products; Manufacture of molds; Sales of sanitary ware; Sales of sanitary ceramic products; Sales of building materials; Wholesale of hardware products; Sales of building decoration materials; Technology import and export; Import and export of goods; Import and export agency; Road freight transport of ordinary vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); Sales of molds; Sales of metal products; Retail of hardware products; Sales of non-metallic minerals and their products; Internet sales (excluding goods requiring sales permits); Sales agency