Khong Gian Xanh Hoang Truong LTD Address: No 56 Ha Huy Tap, Yen Vien Town, Gia Lam District, Ha Noi City Enterprise code: 0110104900 Phone: 0938343777 Representative: Phan Viet Mai Adress: Hoi Quan Quarter, Tuong Giang Ward, Tu Son City, Bac Ninh Province Yen Vien Town, Gia Lam District, Ha Noi CityFounding date: 31 - 8 - 2022