Zhangzhou Longtrust Silicon Industrial Co., Ltd. integrates silicon metal processing, manufacture, further purification and export together. Our products mainly focus on silicon metal powder and polysilicon powder, including semi-conduct grade, polysilicon grade, coating advanced grade, chemical grade, and special alloy grade series. The purity ranges from 99% to 99.995% with all kinds of sizes. Advanced production lines makes the annual output reach to 10000-12000 MTS.Based on professional technology, strong working spirit and strict management according to the standard of ISO9001 quality management system, We got great achievements from the cooperation with the world business around North America, Western Europe and East Asia,which won us the worldwide honor and approbation.