Xay Dung Va Kinh Doanh Noi That Tong Hop Hai Yen Address: No 042, Ii Quarter, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200153186 Phone: 0216834006 Representative: Phan Anh Tuan Adress: No 042, Ii Quarter, Mau A Town, Van Yen District, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 16 - 1 - 1999