ShanghaiKeHan industrial Co., Ltd .we are established at 2005 , Our company is a high technology enterprise special-sized in manufacture of "rainbow” surge protective device . Having passed the certification of ISO9001:2000 and ISO14001:2004 quality and environment management system on 1st sep 2008 , Shanghai Kehan industry Co., Ltd become a full member of china reproducible energy research association , which indicates that the " rainbow " surge protective device now marching toward the domestic and foreign market . Shanghai Kehan industry Co., Ltd has set up close relation ship with other enterprise in communication electric and water treatment industry , as a result , it has won favorable comment and recognition of customers by virtue of the reliable quality , reasonable price and perfect service . Shanghai Kehan Industry Co., ltd is now going through the UL certification , meanwhile it is conducing the research and manufactory to meet the special needs of some enterprise . Founded on the motto of Human technology , Shanghai kehan Industry Co., Ltd has attracted a team of best talent people specialized in research , manufactory and service , it is our conviction that honest and pragmatic is our service theme , good quality and high demand is our only code .