Phat Trien Cong Nghe Iot Mang Ten Bach Duong Joint Stock Company Address: No 52, Nguyen Chi Thanh Street, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0108892348 Phone: 0866535575 Representative: Nguyen Duc Hien Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 12 - 9 - 2019