Youhen (beijing) Silicon & Germanium Semiconductor Material, Ltd.

China beijing youhen silicon & germanium semiconductor material, ltd. was established in december 22, 2004, at the national high-tech development zone in haidian district, beijing information industry base, is a semiconductor material in the production and processing-oriented high-tech enterprises, the main products are silicon products and germanium products. \n\nsilicon products, including metallurgical grade silicon industry, chemical-industrial silicon, solar grade polycrystalline silicon, silicon semiconductor, metal silica fume, while pro.