Dich Vu Va Dau Tu Step One LTD Address: No 76, Tran Khat Chan Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0110041591 Phone: 0917657878 Representative: Hoang Thi Lien Adress: Khu HC Tan Tien, Doan Hung Town, Doan Hung District, Phu Tho Province Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 24 - 6 - 2022