... 0.1 to 2.5L plastic hollow product 5)multi-head,multi-layer,PE,PP,PS SPB-2.5L1JD Series Double Station ... from conventional design, featuring in boost extrusion that ensure smooth extrusion rate, superior plasticizing/mixing and perfect proportioning extrusion ... change is agility, center control, network long-distance check, multi group data message, brainpower focus temperature control, self-motion ...