Dien Mat Troi Hoan Kiem LTD Address: No 12, Bao Khanh Lane, Phuong, Hoan Kiem District, Ha Noi City Enterprise code: 0111649657 Phone: 0372979756 Representative: Chu Quang Vinh Hoan Kiem Ward, Hoan Kiem District, Ha Noi CityFounding date: 5 - 10 - 2026