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A silent drainage pipe
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A polymer based phosphogypsum pipeline
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A PVC large-diameter corrugated pipe structure
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A polyethylene blended polyvinyl chloride structural wall pipe
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A phosphogypsum material drying equipment
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A phosphogypsum composite PVC double-layer co extruded drainage pipe
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A cooling and shaping device for the production of phosphogypsum pipes
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A fixed protection device for buried agricultural water pipes
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A plastic steel separation system