Cong Nghe Va Ky Thuat Hai An Joint Stock Company Address: No 2a, 272/33 Tran Khat Chan Alley, Thanh Nhan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0106874470 Phone: 0936988766 Representative: Vu Thanh Nhan Adress: No 260, Vinh Hung Street, Vinh Hung Ward, Hoang Mai District, Ha Noi City Thanh Nhan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 10 - 6 - 2015