99久久ER这里只有精品18

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Warmly welcome you to the official website of Jiaxing Nanyi Pipe Industry Co., Ltd.!
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ZHEYI PIPELINE
ZHEYI PIPELINE

45° Elbow

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UPVC is polyvinyl chloride. It is a raw material, usually polyvinyl chloride resin powder. Light PVC can't make anything. To create useful things, various active agents or catalyst stabilizers must be added. UPVC is a semi-finished product after adding a certain active agent ( It’s still in powder form).

浙ICP備2021002022號-1

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