Continuous Auto Non-stop Screen Changers/Melt Filters for your extrusion lines. We are the initiator manufacturer of Continuous, Auto, Self-cleaning back flush Screen Changers/Melt Filters for Extrusion lines with CE certification in China; with 30-plus years of R & D and Production experience; hold more than 20 international invention patents and national invention patents... Products: 1. Automatic Belt Type Screen Changer (for non woven, cast film, chemical fiber etc); 2. Continuous Double-Piston Type Melt Filter (for sheets, pipes, pelletizing, etc); 3. Back flush Self-cleaning Continuous Melt Filter (for high capacity granulation); 4. Hydraulic Plate Screen Changer (for corrugated pipe, blown film, rubber, etc); 5. Plate Type Continuous Melt Filter (for XPS, EPS, EPE FOAM, chemical fiber, etc); 6. Screen Changer Special for PA, PET, EVA, PVC material