Gas Ngoc An LTD Address: No 180, Bac Son Street, Hoang Van Thu Ward, Lang Son City, Tinh Lang Son, Viet Nam Enterprise code: 4900924241 Phone: 0968597310 Representative: Trinh Thi Tuyet Mai Hoang Van Thu Ward, Lang Son City, Lang Son ProvinceFounding date: 11 - 6 - 2025