... T.P.R,PVC and elastomeric. High-speed compounding machine line for plastic,rubbers,EVA,TPR,PVC 1 ... the realization automates continuous homework and produce an high efficiency2.Compact structure, small cover space, ... machine tube screw all adopts the high-quality metal alloy steel of the 38 C4MoALAs, Be ... turned a processing by nitrogen and the degree of hardness is high ...