Low Energy Thnnier Wall Thickness Low cost Anti Aging Installation Transportation Convenient Quickly Production NO. Specification Unit Standard Package Pressure(bar) Wspp6311 63*1.1(mm) M 150m/Roll Wspp7513 75*1.3(mm) M 120m/Roll Wspp9017 90*1.7(mm) M 100m/Roll Wspp11020 110*2.0(mm) M 90m/Roll Water Supply Polyethylene Pipe