Dich Vu Ky Thuat Cong Nghiep Thien Son Joint Stock Company Address: No 78C, An Son Lane, Dai La Street, Truong Dinh Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0110442258 Phone: 0976861099 Representative: Nguyen Minh Duc Truong Dinh Ward, Hai Ba Trung District, Ha Noi CityFounding date: 9 - 8 - 2023