He Thong Giai Phap Nang Luong Va Moi Truong Viet Nam Joint Stock Company Address: No 14B, Lane 243, Nam Du Street, Vinh Hung Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111381544 Phone: 0986463689 Representative: Pham Van Tuyen Ha Noi CityFounding date: 6 - 2 - 2026