Khoang San TST Joint Stock Company Address: No 04 Civil Group 8, Doi Can Street, Nguyen Trai Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100487918 Phone: 02379983888 Representative: Giang Ngoc Khanh Nguyen Trai Ward, Ha Giang City, Ha Giang ProvinceFounding date: 6 - 9 - 2021