Lien Doan Lao Dong Huyen Van Yen Address: Civil Group 6, Quarter 2, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200447316 Phone: 02163834120 Representative: Luong Ngoc Van Adress: Quarter 2, Mau A Town, Van Yen District, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 22 - 7 - 2009