... Plastic Worm Place of OriginGuandong China(Mainland)Machine TypePlastic Injection MouldProduct MaterialPOM(500AL) Product featuresStrong Corrosion Resistance, Abrasion Resistant, waterproof. Good Insulator ... TPU, TPR and other injected plastic material.2). Process: Plastic Injection Molding;3). Finish: ... products:CNC Machining Parts , plastic gears,plastic worms,plastic worm gears,gear boxes, worm ...