Spot Welding Electrode, Screw and Barrel for Extrusion, Spare Parts for Extruder manufacturer / supplier in China, offering M8 M20 Kcf Guide Pin Ceramic Guide Pin Location Pin for Spot Welding, Plastic Machine Bimetallic Parallel Twin Screw Barrel with Bushing for Extruder Machine, Super Wear Cobalt Alloy Plastic Extruder Parts Screw Element for Lithium Battery Produciton and so on.