Thuong Mai Va Du Lich Sapphire Yen Bai LTD Address: Tong Pang B Hamlet, Lam Thuong Commune, Luc Yen District, Yen Bai Province Enterprise code: 5200818539 Phone: 0949087333 Representative: Do Tien Dinh Adress: No 8, Alley 151/2, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Lam Thuong Commune, Luc Yen District, Yen Bai ProvinceFounding date: 19 - 3 - 2015