... for adjustment,reliable performance,working secutity,lower consumption.The screw and barrel adopt high-quality steel,nitride tight handing ... . The pipe forming adopt by double screws feeding,the die use screws type double layer extruder for blowing the pipe ... Screen Cylindrical filter screenLoader Vacuum auto loaderDie formScrew type double layer common-extruding dieDie size Φ100Φ120Φ200Φ250Sizing ...