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Polyethylene(PE) double-wall corrugated pipes
Unplasticized Polyvinyl chloride(PVC-V) double-wall corrugated pipes
Metal reinforced polyethylene (PE) spirally wound corrugated pipes
Steel wine reinfored thermoplastics (PE) composite pipe
Pipe for fuel gas supply
Pipe for mine
City planning engineering
Residentail quarter's sewage discharge
Industry and mining enterprise' sewage discharge
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