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A kind of polymeric gas material drying apparatus
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A kind of polyethylene particle production system
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A kind of raw material blending device being used to prepare high molecular material
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A kind of PE compound pipeline complex pipelines and preparation method thereof
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A kind of heat-resistant PVC drainpipe and preparation method thereof
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A kind of PE feed pipes and preparation method thereof
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A kind of PVC pipeline and preparation method thereof
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A kind of PVC drain pipe and preparation method thereof
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