Khai Thac Khoang San Sa Trung Kim LTD Address: Lu Van Street, Phuc Son Commune, Tan Yen District, Bac Giang Province Enterprise code: 2400960382 Phone: 0858168566; 0911203368 Representative: Truong Thi Le Anh Phuc Son Commune, Tan Yen District, Bac Giang ProvinceFounding date: 14 - 4 - 2023