SHANGHAI LINGRUI IMPORT & EXPORT CO., LTD. (SUPER ELEC.) is one leading manufacturer and exporter in the fields of low-voltage electric items in China, especially in all kinds of low-voltage electrical equipments( ac contactors, electric power meters, breakers, lightings & lamps, digital multimeters, relays, SVC stabilizers, temperature controller meters, switches, industrial plugs & sockets, distribution boards), plastic moulds-making & plastic products, crimping tools and many other electrical accessories.