Shanghai "Yingfan" mak HDPE geomembrane (ke yo rele tou: segondè-dansite polyethylene geomembrane) sèvi ak bon jan kalite polyethylene jenn fi résine, eleman prensipal la se 97.5% polyethylene wo-dansite, apeprè 2.5% nwa kabòn, anti-aje Ajan, antioksidan, UV absòbe, estabilize ak lòt aksè...
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