● Hebei Province:
Cangzhou City Sewage Treatment Plant, treatment scale 60,000m³/d;
Handan City Water Treatment Plant, treatment scale 20,000m³/d;
Tangshan City Sewage Treatment Plant, treatment scale 20,000m³/d;
Baoding City Sewage Treatment Plant, treatment scale 12,000m³/d;
……
● Inner Mongolia Autonomous Region:
Hulunbuir City Sewage and Garbage Treatment Plant, treatment scale 5,000m³/d;
Hohhot Tuoqing Economic Development Zone Industrial Park Sewage Treatment Plant, treatment scale 5,000m³/d;
……
● Shanxi Province:
Xinzhou City Sewage Treatment Plant, treatment scale 25,000m³/d;
Jinzhong City Liangdu Industrial Park Sewage Treatment Plant, treatment scale 10,000m³/d;
Datong City Sewage Treatment Plant, treatment scale 8,000m³/d;
……