... Make from 0.2 to 5L plastic hollow product 5)Multi-layer,Multi-head SPB-5L4JD Series Double Station automatic plastic extrusion ... the oil pump, oil valve, oil panel, pressure flux two-proportions valve and nitrogen store system, with the special hydraulic ... change is agility, center control, network long-distance check, multi group data message, brainpower focus temperature control, self-motion alarm ...