Gongtai Electrical Appliance Co., LTD. (formerly Ruian Gongtai Electrical Appliance Co., LTD.) is located in Ruian City, Wenzhou, Zhejiang Province, which is a coastal open city with beautiful environment, developed economy and convenient transportation.  The company has won the honorary titles of national High-tech Enterprise, Zhejiang Province Science and Technology Sme, provincial Township Enterprise Technology Center, Wenzhou Enterprise Technology Research and Development Center, Wenzhou Patent Demonstration Enterprise and so on, and has published dozens of academic papers on national journals and obtained more than 70 patents;  With the strong technical force and influence in the industry, Gongtai electrical appliances has participated in a number of national standards.  And revised, also compiled "low-voltage motor protector selection and application guide" professional book, published by the domestic electric power publishing house.