- Hongson producing trading limitted company
- Address:Hamlet 4, Nghi Lam Commune, Nghi Loc District, Nghe An Province,Viet Nam
- Dai Tan Private Enterprises
- Address:h305 / 83, 30 / 4 street, Chanh Nghia Ward
- Gosamu investment joint stock company
- Address:lam son, minh cuong, thuong tin, ha noi
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