Nam Son Address: Luong Thien Hamlet, Luong Thinh Commune, Tran Yen District, Yen Bai Province Enterprise code: 5200291933 Phone: 02162474624 Representative: Vu Van Xuat Adress: Phuong Dao 3 Hamlet, Luong Thinh Commune, Tran Yen District, Yen Bai Province Luong Thinh Commune, Tran Yen District, Yen Bai ProvinceFounding date: 11 - 8 - 2009