Khai Thac Che Bien Khoang San Dai Son Joint Stock Company Address: MG23, Vincom Tuyen Quang Urban Area, Quang Trung Street, Phan Thiet Ward, Tuyen Quang City, Tuyen Quang Province Enterprise code: 5000867112 Phone: 0919190477 Representative: Nguyen Van Toan Adress: 6a Civil Group, Nguyen Phuc Ward, Yen Bai City, Yen Bai Province Phan Thiet Ward, Tuyen Quang City, Tuyen Quang ProvinceFounding date: 5 - 6 - 2019