Khoang San Minh Son Joint Stock Company Address: Iii Floor, No 273, Nguyen Thai Hoc Street, Tran Phu Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100363415 Phone: 02193606152 Representative: Hoang Dinh Cham Adress: Civil Group 18, Nguyen Trai Ward, Ha Giang City, Ha Giang Province Tran Phu Ward, Ha Giang City, Ha Giang ProvinceFounding date: 28 - 9 - 2011