RV Reducer Worm Gearbox Manuefactory High Quality Hangzhou Yuhuang Transmission Equipment Co., Ltd. Base Info Model NO.:RV30 worm gearboxApplication:ReducerHardness:Soft Tooth SurfaceType:Worm and WormwheelMaterial:Stainless SteelToothed Portion Shape:Spur GearChanges Way:Stepped Description Pre:Auto Crown Wheel Pinion Gear Next:Gear Box Nmrv Series Aluminium Worm Reduction Gearbox Machine