Recently, a hydraulic screen changer specifically designed for soft PVC extruders has garnered widespread attention in the plastics processing industry. This hydraulic screen changer, with its exceptional performance, rapid screen-changing speed, and convenient operation, has significantly enhanced the production efficiency of soft PVC extruders. It is reported that this hydraulic screen changer was developed and produced by Zhengzhou Bate Melt Pumps Co., Ltd., a renowned domestic machinery manu