Ngoc Trai Viet Nam Joint Stock Company Address: No 77, 443 Nguyen Trai Lane, Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0100924862 Phone: 0242406570; 0242406470 Representative: Nguyen Manh Thang Adress: 110, A3, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi CityFounding date: 6 - 9 - 1999