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NINGBO WELLMEDLAB CO.,LTD

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NINGBO WELLMEDLAB CO.,LTD [China (Mainland)]

Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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Question: PVC raw materail is broken in sprue during test TP filter mold.
Instruction: remove and smooth sprue,
Reason: because PVC easy cause to mold rust, which is caused to this question. so When we restart to use molds after a long time. We must check if there are rust in Sprue.

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