Tri Thuc Xanh Joint Stock Company Address: 4th Floor, No 172 Nguyen Trai, Thuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0103725350 Phone: 02462910998 Representative: Nguyen Van Tien Adress: 56 Cung Hamlet, Dong Tho Ward, Thanh Hoa City, Thanh Hoa Province Thuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 21 - 4 - 2009