Machinery introduction: 1. Adopt special design sjsz series conical twin screw extruder, this is a kind of high efficiency equipment for PVC powder plastic extrusion. • 2. It is mainly composed by force feeder, soft plasticization screw and barrel, high precision gearbox, exhaust system. • 3. It has features of even mixing, better plasticization, stable working, high capacity, and it is suitable for produce PVC products from mixed powder. • 4. With different mold and auxiliary equipment, it can produce plastic pipe, profile, board, sheet, granules and so on.