R&D Constech Viet Nam Joint Stock Company Address: Zoom 204, No 46, Lane 230, Lac Trung Street, Thanh Luong Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0107767471 Phone: 02436321759 Representative: Tran Thi Ha Phuong Thanh Luong Ward, Hai Ba Trung District, Ha Noi CityFounding date: 18 - 3 - 2017