Dau Tu Va Phat Trien Kinh Doanh Hai Son Joint Stock Company Address: No 24, Alley 8/40/41, Bat Khoi Street, Hamlet 7, Bat Trang Commune, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111340202 Phone: 0972911628 Representative: Nguyen Quoc Hop Ha Noi CityFounding date: 9 - 1 - 2026