Ecosas Viet Nam Joint Stock Company Address: 4th Floor, No 262 Le Trong Tan, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0108232856 Phone: 0912211811 Representative: Nguyen Ngoc Tu Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 13 - 4 - 2018