Thuong Mai Va Dich Vu Ky Thuat 4H Viet Nam Joint Stock Company Address: No 11, Lane 90, Yen Hoa To 14 Street, Yen Nghia Ward, Ha Dong District, Ha Noi City Enterprise code: 0110029040 Phone: 0936351575 Representative: Hoang Manh Hung Adress: Hamlet 6, Thuan My Commune, Ba Vi District, Ha Noi City Yen Nghia Ward, Ha Dong District, Ha Noi CityFounding date: 13 - 6 - 2022