Zhejiang Sipun Electric Co., Ltd. is specialized in developing, manufacturing and marketing terminal blocks, electric connecting pieces and other switching equipment. Our company relies on the advanced management pattern, consummate craft facility, and fine mold processing technology and equipment to guarantee product quality.Our company was RoHS certified by Chinese quality center in May, 2006. We passed the European Union RoHS environmental protection certification. We passed EX authenticate issued by the national explosion-proof center examination in 2006. We are the first manufacturer which has passed this certification in China.Our products are strictly designed according to the international technical standards. They have passed the CE authentication of the European Economic Community. They completely conform to IEC60947-7-1 and other international standards.SIPUN will persist in carrying out the mission of "the quality is our enterprise's life and the reputation is our company's developing basis". SIPUN is willing to cooperate with you to create prosperity and development in the future!