we specialize in manufacturing electric accessories, switches, receptacles and illuminative appliances. Its products have gained the IS09001 quality system certificate, 3C certificate and International CCEE, GS certificates and some other safety certificates from abroad. With rich technical force and perfect quality management system, Zhejiang Trimone Co., Ltd. has obtained import and export license. Paying great attention to the development of new product and to the improvement of technology, the Company in 2002, invented new type of Ground Fault Circuit Interrupter (GFCI) with its safelock to prevent from reverse connection error. The new product now has already obtained the Inventions Patent (Patent No.2003101228591) and the Utility Models Patent ( Patent No.032308795 ) in China as well as the Inventions Patent of the United States of America ( Patent No.10/704 855). Meanwhile, GFCI has also achieved American UL certificate and Canadian CUL certificate.