extrusion die series 1)stable 2)long using life 3)variety PE,PP pipe dieSpecification :200-630mmType of die :basket,sprial,co-extrusion ... die :flow speed of melt is reached to1,no core mold braacket ,so no flow mark left .2,low pressure ,high extrusion ... calibrating sleelve.PVCpipe dieSpecification:16-630mmType of die :basket,sprial,co-extrusion composite die, Made of stainless steel or bronze water ...