Tangshan Sunfar Silicon Industries Co.,Ltd. engages in the research, development, production, and sale of chemical products in China. Its product portfolio includes trichlorosilane, silicon tetrachloride, high-purity silicon tetrachloride, electronic grade dichlorodihydrosilane, electronic grade trichlorosilane, fumed silica, silane coupling agents, potassium hydroxide, and sulfuric acid. The company was founded in 2006 and is based in Tangshan, China.