Features: Qingdao Deyili Plastic Machinery Co., Ltd developed the new generation double wall corrugated pipes line combining with current technology features. The features of production line are: double-layer socket, unique socket structure, stable production, high efficiency, horizontal mould block and water circulation for cooling.Main Technical Data: Model Pipe Dia Range Extruder Capacity Overall dimension Installed power SBG-500200-500mmSJ90×30SJ100×34650Kg/h33m×4m×4m480KW