River Affairs Center: Floor A 17, Hechuan Building, Nanjing Road, Heping District, Tianjin.
Huayuan Service Center: Room KLOC-0/008, Building 29, Huayuan Li Bihua, Nankai District, Tianjin.
Hexi Service Center: Floor 3, Sinochem Office Building, No.58 Nanjing Road, Hexi District, Tianjin (next to Arc de Triomphe Building)