PP woven bag with PE lined, which is made of the PP, the polypropylene material, which is a thermoplastic resin material that produced by the polymerization of polypropylene, Woven or weaving is a
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A check valve, also known as a non-return valve or one-way valve, is a type of valve that allows fluid to flow in only one direction and prevents backflow.
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Ningbo Changhong Polymer Scientific and Technical Inc.:One of top3 largest SBS SEBS manufacturers in China. Excellent quality, competitive price and considerate service. R&D department backed.
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