Zhejiang kaihua synthetic material Co., Ltd is a subsidiary of Wynca Group, Specialized in Fumed Silica, Silane for many years Wynca group, founded in 1965, listed in Shanghai stock exchange in 2001 with stock code 600596, and one of top 500 manufacturing of China. Wynca agrochemical dept, top 20agrochemical in the world, specialized in glyphosate and pestcide. Wynca organosilicon dept, leading silicone manufacturer in China, we produce all the silicon-base materials in 6 ISO 9001 and 14001 certified plants, with a joint-venture with momentive. We supply full range of silicone rubber(HTV LSR), silicone polymer, silicone oil, silicone intermediate, silicone sealant, silanes, fumed silica, and REACH registered.