... 4.certification:ISO9001 Making Plastic Worms /plastic worm wheelWe can produce gears, worms,worm gears ,gear boxes, worm, worm wheel.Briefly description:Length:14-34mmcolour: pom white ... complete solution for your gear needs, from various plastic gears,gearboxes ,worms ,worm gears,worm wheels,pinions to complete assembly services,from prototypes to ...