Lam Truong Van Yen Address: Quarter 4, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200104213 Phone: 0216834145 Representative: Nguyen Van Nguyen Adress: Quarter 4, Mau A Town, Van Yen District, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 5 - 9 - 1998