ZONACEN CO., LIMITED mainly committed to the research and development, production, and sales of silicon material technology, with production bases established in Weifang, Shandong and Yinchuan, Ningxia. Our main products include: metal silicon blocks, metal silicon powder, ultra-fine silicon powder, silica sol, ultra-fine sodium bicarbonate baking soda, and other products. We can provide competitive and reliable products, solutions, and services for enterprises in the fields of organic silicon, polycrystalline silicon, trichlorosilane, refractory materials, metallurgy, casting.......