Qinghai Huadian Iron Alloy Co., Ltd.

[ Manufacturer ]Main business are Ferrosilicon, Silicon metal, Silicon carbide.

Qinghai Jinyi New-type Aluminium Materials Co., Ltd.

[ Manufacturer Trader ]Main business are Metals, Minerals, (metallurgic raw materials and products, non-ferrous metals and hardware products), Mechanical and electric equipments(instruments, metres, automobiles and their parts).

China Metallurgical Imp. & Exp. Qinghai Corp

[ Manufacturer Trader ]Main business are Nonferrous metal

Xining Imp. & Exp. Trade Co., Ltd.

[ Trader ]Main business are Metals and minerals: Ferrosilicon, Silicon metals, Silicon carbide, Oils & foodstuffs: Broad bean, Light industry: Wooden goods, Chemical industry: Potassium nitrate, Potassium chloride, Magnesium chloride.

Qinghai Non-ferrous Foreign Trade Co., Ltd.

[ Trader ]Main business are Metal magnesium, Ferrosilicon, Metal silicon, Silicon carbide

Xining Foreign Economic Trading Co., Ltd.

[ Trader ]Main business are Ferrosilicon, Silicon carbide, Kalium chloride.

Qinghai Qiannian Industry & Trade Co., Ltd.

[ Manufacturer Trader ]Main business are Calcium chloride, Silicon carbide, Metallic silicon.

Xining Yuanhao Commercial And Trade Co., Ltd.

[ Trader ]Main business are Silicon carbide, Quartz sand, Graphite powder, Petroleum coke.