1)Geomembrane for construction 2)Material:HDPE, LDPE, CPE, EVA, PVC etc 3) ... systems with pneumatic or helix loaders• Extruder with screen changer• Co-extrusion feedblocks for adjustment of layer ratio and layer distribution ... Water conservancy(river,lakes water reservior dam seepage control)• Construction projects(subway construction, roof garden, sewage pipe liner)• Landscape Works(artificial lake ...