Profile: Qingdao Leader Machinery Co., Ltd. provides extruders, plastic pipe extrusion lines and recycling granulating machines. Our twin screw conical extruders are extrusion equipment with reduced shear rate. They are provided with adapted automatic term-control, vacuum exhaust, and screw core cooling unit. Our plastic crusher has type cutting design knives. The shell of the main machine is made of structural steel material. The main axis of the machine is with two-face from high-precision boring, to ensure concentricity and perpendicularity error of less than 0.05 mm. We also offer milling machines, film blowing machines, and twin position mixers.