Shanghai "Yingfan" brand HDPE geomembrane (lea e lauiloa foi: polyethylene geomembrane maualuga) e faʻaaogaina le polyethylene virgin resin maualuga, o le vaega autu o le 97.5% polyethylene maualuga, e uiga i le 2.5% carbon black, Anti-aging Agents, antioxidants, UV absorbers, stabilizers ma isi avanoa...
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