... head,multi-layer,PE,PP,PS SPB-2.5L1JD Series Double Station automatic plastic extrusion blow molding machineSPB-2.5L ... scraps collecting system, there are single mould head, double mould heads, three mould heads, four mould heads and six mould heads ... save power, and hydraulic pressure oil.Mold headSingle head Double Head Three head Four headGermany design die, improved central inlet ensuring first ...