Ky Vien Xanh Thang Long Joint Stock Company Address: No 22, Le Trong Tan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0107634908 Phone: 02436417889 Representative: Pham Duc Hanh Adress: No A6a Tang 18, Chung Cu Westa, Mo Lao Ward, Ha Dong District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 15 - 11 - 2016