- Luoyang Tongchang Tungsten & Molybdenum Material Co., Ltd.
- Main products: Molybdenum , Tungsten , Tungsten Electrode , Molybdenum Sheet , Molybdenum Wire , Tungsten Rods ,
- Henan [Verified]
- Jiangyin Entret Coating Technology Co., Ltd.
- Main products: Coating Target , Sputtering Target , Ceramic Target , Plasma Spray Machine , Plasma System.
- Jiangsu [Verified]
- China Iron and Steel Research Institute Group
- Main products: State-owned
- Beijing [Verified]
- Tianjin TYWH Imp. & Exp. Co., Ltd.
- Main products: Calcium Carbide , Activated Carbon , Carbon Additives , Caustic Soda , Magnesium Chloride , Calcium Chloride
- Tianjin [Verified]