HWB55 Single Station Blow Moulding Machine is specially used for 0~3.5L small bottles, suitable for PE, ... LDPE, HDPE, PP, PVC. MODEL: HWB55 Single Station ... control, YUKEN pump & valves, easy for maintenance.3. High efficiency mixing screw with special design & structure ... for all the life. 0~3.5L Single Station Automatic Extrusion Blow Moulding Machine HWB55