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PVC Hose Tube Formula

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PVC Hose Tube Formula Many PVC formulations, including foam board, ecological wood, GB and non-standard pipe fittings, heat shrinkable film, cables, etc., are welcome to pay attention, and everyone is welcome to share the good things to share. The following formula is for reference only. First, the drainage pipe formula (high calcium) 1. pvc 100, […]

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