Nylon Sleeve Inner Gear Ring Type Coupling Wear-Resisting Nylon Coupling Sleeve Oil Pump Motor Gear Connector Xingtai Haosuming Trading Co., Ltd. Base Info Description Pre：2020 New Material Nylon Inner Tooth Coupling High Strength Wear-Resistant Nylon Sleeve Oil Pump Gear Coupling Next：Customization Colorful Plastic Injection Casting Nylon Nylon Pinion Gear Nylon Sleeve Gear Coupling
