Ha Tang Do Thi Van Khanh Joint Stock Company Address: C-TT6, Khu Nha O Him Lam Van Phuc, Phuong, Ha Dong District, Ha Noi City Enterprise code: 0111519256 Phone: 0326628884 Representative: Nguyen Nam Khanh Ha Dong Ward, Thanh Tri District, Ha Noi CityFounding date: 29 - 5 - 2026