Cong Nghe Phong Chay Chua Chay Sao Thang Tam Joint Stock Company Address: 5th Floor, Diamond Flower Building, Hoang Dao Thuy Street, Yen Hoa Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111646208 Phone: 0384199449 Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 1 - 10 - 2026