- MAI THUAN 9 Limited Co.
- timber,ore,tin,zinc,lead,copper,furniture.
- Address:PB 100
- Ha Chau Joint Stock,. Ltd
- ore, lead-zinc, copper, antimony.
- Address:24 Mai Hac De Vinh Nghe An Vietnam
- TAM AN Co.,Ltd
- Lead-Zinc ore,Lead concentrate,Lead ore.
- Address:Hoangdaothuy
- Nhat Ha Trading Co
- Anhthracite coal, manganese ore, zinc ore, lead ore.
- Address:31 Thai Ha Dong Da Ha Noi 12345 Vietnam
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