... machine, also called Construction Formwork machine or WPC Foam Board Machine, adopts Celuka foaming technology. It is a ... /template with very good surface and hardness.PVC WPC foam board extrusion line is composed of conical twin-screw extruder, mould, ... with properties of high output, stable extrusion, even foaming, smooth and wearable surface, PVC foam board, equipped with the printing machine, ...