HKY 53-120 is mainly used for the production of PVC cable materials and medical materials: the upper stage is HK 53 twin-screw extruder, the high-torque twin-screw transmission box produced by Koya
HKY 63-150 is mainly used to produce EVA shielding material and PE/EVA carbon black masterbatch: the upper stage is HK 63 twin screw extruder, KY produced high-torque twin-screw transmission box