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Guazhou County, Gansu Province
Guazhou County Liugou coal chemical industrial Park industrial wastewater treatment project
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Dingyuan County, Lanzhou
Lanzhou Dingyuan sewage treatment plant and sewage pipe network project
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Guazhou County, Gansu Province
Beihewan Phase II sewage treatment plant
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Jiuquan City, Gansu Province
Jiuquan City second sewage treatment plant
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Qianzhen, Liaoning Province
Former sewage treatment plant renovation and expansion and ancillary works
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Kangle County, Gansu Province
Kangle county city north domestic sewage treatment project
