plastic product making machine WPC Profile Making Extrusion Machinery Plastic extruders-WPC Profile Production Line Plastic windowsill Plate Extruder PVC windowsill plate extruding machine-plastic extruder 1.high output,low noise 2.long life span 3.safe and easy to operate 4.best price PVC windowsill board production line: 1.Mixing - twin-screw extruder - mold - Vacuum stereotypes - Cooling - Correction - Traction - Cutting - unloading - coating. 2.This production line has highly reliable, high output, long life, the main electrical parts are imported , equipment, products which is manufactured has the width :500-1000mm, thickness :20-40mm, smooth surface coating after the elegant appearance, isthe ideal decoration material.