Tangshan Sunfar Silicon Industries Co.,Ltd.,located at Tangshan Nanpu Economic Development zone ,was founded on Oct 20th 2006.angshan Sunfar Silicon Industries Co., Ltd was successfully listed on June 28, 2017 in the Shanghai Stock Exchange.(Stock abbreviation:Sunfar Stock, Stock Code:603938).It currently ranks annual production capacity 65,000t Trichlorosilane,70,000t potassium hydroxide and 7,800t silicon tetrachloride.It is the largest Trichlorosilane production base.Currently,the company products are sold to many countries in the world besides domestic demand.