Co Khi Dich Vu Tong Hop & Thuong Mai Ngoc Thang LTD Address: K4 Khu Tap The Thanh Xuan Nam, Thanh Xuan District, Ha Noi City Enterprise code: 0101167968 Phone: 0245372380 Thanh Xuan District, Ha Noi CityFounding date: 12 - 10 - 2001