yl7703永利(中国)有限公司官网-BinG百科NO.1

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pp woven shopping bag

Woven polypropylene is a strong thermoplastic polymer. Woven polypropylene is usually made by tying together a series of polymer strips called yarns. The yarns are made from ethylene or propylene, which is commonly known as petroleum wax. The yarns are th
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