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Foreign projects
Sewage transmission project
Trenchless project
Water supply project
Utility tunnel project
Steel gratings
Inner Mongolia Erdos coal deep processing water conveyance project
"411" emergency water supply project in Lanzhou, Gansu Province
Yan'an Yellow River Diversion Project in Shaanxi Province
Shanxi Taiyuan Yellow River Diversion Project
the South-to-North Water Diversion Project
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