Ots Toan Cau LTD Address: No 6, An Trach 2 Lane, Doan Thi Diem Street, Quoc Tu Giam Ward, Dong Da District, Ha Noi City Enterprise code: 0108888729 Phone: 02386809208 Representative: Nguyen Van Hieu Quoc Tu Giam Ward, Dong Da District, Ha Noi CityFounding date: 9 - 9 - 2019