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HDPE Geomembrane 8m * 100m 100% Raw Material Mining Project Tailings Dam 1.5mm Anti-Seepage Membrane, Find Details and Price about ASTM Geomembrane Geomembrane from HDPE Geomembrane 8m * 100m 100% Raw Material Mining Project Tailings Dam 1.5mm Anti-Seepage Membrane - Dezhou Sentai Environmental Technology Company Limited