Municipal field

• Tianzhuang tai town sewage treatment facilities construction project
• Xinli town sewage treatment facilities construction project
• Gaosheng town sewage treatment facilities construction project
• Baqiang town township sewage treatment facilities project  
• Tianshui township sewage treatment facilities
• Hujia township sewage treatment facilities
• Dahuang township sewage treatment facilities
• Zhaoquanhe township sewage treatment facilities
• Yushu township sewage treatment facilities
• Dongguo township sewage treatment facilities
• Guzizhen sewage treatment project
• Sanling town sewage treatment project
• Dongfeng town sewage treatment project
• Xi 'an town sewage treatment project
• Sewage treatment project of wangjia town in Dawa county
• Tangjia town sewage treatment project in Dawa county