Chi Nhanh Ha Noi- Cong Ty TNHH Cong Nghe Xu Ly Nuoc So 1 Viet Tien Address: No 23a TDP Ninh Kieu, Phuong, Chuong My District, Ha Noi City Enterprise code: 0105870201-002 Phone: 0972684489 Representative: Nguyen Thi Thuy Hang Chuong My Ward, Chuong My District, Ha Noi CityFounding date: 5 - 8 - 2026