Cham Soc Khach Hang Diamond LTD Address: 10th Floor, Toa Viet A, No 9 Duy Tan, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0109763306 Phone: 0354760067 Representative: Vu Ai Xuan Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 4 - 10 - 2021