Khai Thac Khoang San Dai An LTD Address: Hamlet 11 (Tai NHA ONG TRUONG HANH Kiem), Lai Xuan Commune, Thuy Nguyen District, Hai Phong City Enterprise code: 0202147238 Phone: 0922799995 Representative: Truong Hanh Kiem Lai Xuan Commune, Thuy Nguyen District, Hai Phong CityFounding date: 10 - 1 - 2022