Hoang Long General Services Company Limited (Công ty TNHH Dịch vụ Tổng hợp Hoàng Long)
No B16 - TT8 - Van Quan Urban Area
Van Quan Ward- Ha Dong District
Hanoi
Vietnam
Tel: (+84) 24 2264 5566
Mobil: (+84) 985 136 669
E-Mail: hologecompany(at)gmail.com