1. 703 CONSTRUCTION AND INIVESTMENT JOINT STOCK COMPANY
Address: No 3 , Nam Thang Long post living- quater , Co Nhue I ward , Bac Tu Liem district, Ha Noi
2. Hoang Son Lam Trading and Construction Joint Stock Company.
Address: No.17, Lane 161, Nguyen Xien road, Thanh Xuan district, Ha Noi.
3. 202 Work Construction Joint Stock Company.
Address: Ngang resident group, Dai Mo ward, Nam Tu Liem district, Ha Noi.
4. Vietnam Asphalt development and research joint stock company
Address: 3rd Floor, G10 Song Da building, 495 Nguyen Trai street, Thanh Xuan district, Ha Noi