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Jun 12, 2018Ntev iav Fiber sau Nylon 66 PA66 GF30PA66 Gf30 yog copolymerization rau kev txhaj tshuaj molding nrog kev nyab xeeb Thiab kev ntseeg ntawm kev ruaj ntseg zoosaib ntxiv -
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Koj tuaj yeem tiv tauj peb ntawm xov tooj, email lossis online daim ntawv hauv qab no. Peb tus kws tshaj lij yuav tiv tauj koj sai sai.
Hu rau tam sim no!