Dau Tu Khai Thac Khoang San Tan Yen 98 Joint Stock Company Address: Van Chung Hamlet, Lam Cot Commune, Huyen Tan Yen, Tinh Bac Giang, Viet Nam Enterprise code: 2400961629 Phone: 0247069180 Representative: Duong Duy Hung Lam Cot Commune, Tan Yen District, Bac Giang ProvinceFounding date: 4 - 5 - 2023