Helical Gear Reducer *Helical Gear Hard teeth surface *14 years making experience *SGS,CE and ISO approval R Helical Gear ReducerFeature:(1)The building block design.(2)Housing ... ~264,ratio of combination is up to 18125.(6)Solid shaft output, 2-stage efficiency 96%,3-stage efficiency 94%,DF ... type: Foot-mounted,flange-mounted,horizontal or vertical installation. R Helical Gear Reducer