Phat Trien He Thong Toan Cau Joint Stock Company Address: No 16, Lane 117, Nguyen Son Street, Gia Thuy Ward, Long Bien District, Ha Noi City Enterprise code: 0103660311 Phone: 02438730764 Representative: Ta Viet Tuan Gia Thuy Ward, Long Bien District, Ha Noi CityFounding date: 1 - 4 - 2009