HTX Khai Thac San Xuat Dich Vu Vat Lieu Xay Dung Hop Nhat Address: Hamlet 2, Co Phuc Town, Tran Yen District, Yen Bai Province Enterprise code: 5200191287 Phone: 0216825472 Representative: Nguyen Quang Tho Adress: Hamlet 2, Co Phuc Town, Tran Yen District, Yen Bai Province Co Phuc Town, Tran Yen District, Yen Bai ProvinceFounding date: 26 - 11 - 2001