SFE concealed sockets.SFE has introduced advanced technology and equipment, passed ISO9001 international quality system, China Quality Certification Center CQC certification, obtained EC CE safety certification, ROHS environmental protection directive certification, and continuously introduced senior technicians and business managers to gradually master the production technology. SFE specializes in the production of industrial plugs, sockets, couplers (connectors), nylon cable ties and other products. The products are mainly used in iron and steel smelting, petrochemical, electric power, electronics, railroads, construction sites, airports, mines, mining areas, water supply and drainage treatment plants, ports, wharves, shopping malls, hotels, and other industrial and mining enterprises, and as a power supply of foreign imported equipment and connectors supporting the maintenance of spare parts, is a new generation of ideal power supply device. The main products contain:, industrial plugs, surface mounted sockets, connectors, concealed sockets, concealed tilting sockets, appliance sockets, SF series, SFK series, SFN series, multifunctional sockets, high-current plugs and sockets, socket box series, other plugs and sockets, waterproof fittings.