Khai Thac Che Bien Da Trang Luc Yen LTD Address: Civil Group 4, Yen The Town, Luc Yen District, Yen Bai Province Enterprise code: 5200820619 Phone: 0914456628 Representative: Do Hai Yen Adress: Civil Group 4, Yen The Town, Luc Yen District, Yen Bai Province Yen The Town, Luc Yen District, Yen Bai ProvinceFounding date: 3 - 6 - 2015