No. 23A-88A, Huangsi Street, Xicheng District, Beijing 100011, P. O. Box: 9 Ext: 88a, P. R. China

We, Sino Surplus International Ltd. A member of SINOSI Group, is a professional manufacturer and supplier of silica and silicon materials and realted products such as quartz sand, silica powder, silic...

444 Beijing Road (E), Shanghai, China

Our company - Shanghai Puyuan Foreign Economic & Trading Company, is a subsidiary of the China National Nuclear Corporation. We are a leading import and export company in China. We mainly expo...

silicon 441,silicon 3303,silicium...