1.Profile Extrusion machine 2.high precision, used for long time, 3.different size, and shape 4.in PVC WPC material Tairong Machinery WPC/PVC Window and Door Profile Extrusion Machine System Features and application :It has referred to the latest foreign technology and has optimized the design. It has such advantages as even plastication, small shearing speed, high output, long life span, etc. ...