Welltek Viet Nam Joint Stock Company Address: No 21, Alley 25, 106 Duong Lane, Trung Van Village, Trung Van Ward, Nam Tu Liem District, Ha Noi City Enterprise code: 0106021923 Phone: 0988455368 Representative: Nguyen Van Truong Trung Van Ward, Nam Tu Liem District, Ha Noi CityFounding date: 25 - 10 - 2012