The SINOSI GROUP CORPORATION (SINOSI) is a professional and leading producer and trader of silica and silicon materials and related products which including quartz, Microsilica,Gas-phase silica hydrated, amorphous silica, fused silica, ferro silicon, silicon metal, mono and polycrystalline silicon and so on. Meanwhile, SINOSI now is also dealing the mineral materials in the world wide market such as iron ore, chrome ore, manganese ore, ilmenite, talc, and kaolin clay.