Tangshan SunFar silicon Industries Co.,Ltd was founded on 20th October 2006 with a registered capital of RMB 105million and total assets 500 million . It is located in development area of Nanpu Tangshan . In Nanpu Development Area , the base installations are perfect and the transportation is convenient and developed. Within 75 Kilometers around the factory , there distribute three ports (Tianjin Xingang Port , Tangshan Caofeidian Port and Tangshan Jingtanggang Port ) and two airports (Tianjin Port and Tangshan Port ) . At present , Tangshan SunFar Silicon Industries Co.,Ltd with the output of 80 thousand tons trichlorosilane , 14 thousand tons silicon tetrachloride and 56 thousand tons potassium hydroxide , is the biggest trichlorosilane? manufacturer in China . hydrogen , which is a co-product of trichlorosilane , can be fueled in potassium hydroxide producing . On the other hand , Hydrogen chloride , the co-product of potassium hydroxide , can be raw material in trichlorosilane producing . the waste heat of trichlorosilane system of recycled for the refrigerating systems of trichlorosilane and potassium hydroxide . The two production lines are mutually complemented , which realized the recycle economy .