... OF MACHINING PARTS SERVICE. WE SUPPLY YOU NON-STANDARD GEARS,WORM GEARS,WORM,SPLINED SHAFT, TRIPLE GEAR6. THE PRODUCT WITH HIGH TECHLONOGY ... ,WORM SHAFT7. WORM SHAFT FOR DRIVE TRANSMISSION WITH WORM WHEEL.DIFFERENT KINDS OF METAL WORMS CAN ... BE MADE AND SUPPLIED8. METAL WORM MATERIAL:18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel, elc metal ...