Customization Colorful Plastic Injection Casting Nylon Nylon Pinion Gear Nylon Sleeve Gear Coupling Xingtai Haosuming Trading Co., Ltd. Base Info Description Pre:Nylon Sleeve Inner Gear Ring Type Coupling Wear-Resisting Nylon Coupling Sleeve Oil Pump Motor Gear Connector Next:Nl Inner Tooth Coupling High Strength Wear-Resistant Nylon Sleeve Oil Pump Gear Coupling