precision crown gear 1.material:POM,nylon,PA66,PP,PC . 2.Modulus: ... ,worm gears ,gear boxes, worm, worm wheel.Briefly description:Type:crown gearcolour: pom white colourcertification:ISO9001:2008moq:5000pcspacking : with polybag in ... , TPR and other injected plastic material.2). Process: Plastic Injection Molding;3). Finish: Vacuum plating, electroplating, painting, printing, texture and so ...