- Vietnam Youngsun Tungsten Industry Co., Ltd.
- ferro tungsten.
- Address:Cailan Industrial Zone, Halong, Quangninh, Vietnam
- Youngsun Tungsten Vietnam
- ferro tungsten,Ferro Tungsten.
- Address:Vietnam
- Youngsun Ferro Tungsten Vietnam
- ferro,tungsten,wolfram,feW 70-80%.
- Address:Cai LAN
- 85%
- Ferro Tungsten Wolfram 70%.
- Address:HaLong Quang ninh
1