Shanghai "Yingfan" hom HDPE geomembrane (tseem hu ua: high-density polyethylene geomembrane) siv cov khoom zoo polyethylene virgin resin, cov khoom tseem ceeb yog 97.5% high-density polyethylene, txog 2.5% carbon dub, anti-aging Agents, antioxidants, UV absorbers, stabilizers thiab lwm yam nkag tau ...
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