R Helical Gear Speed Reducer Motor(box,unit) Fits all kinds of motor Mounted vraiable position SGS,CE and ISO ... approval R Helical Gear Speed Reducer Motor(box,unit)Speed Reducer*R Cylindrical Gear Reducer( ... box,motor,unit,decelerator) In-line gear boxFeature:(1)The ... Fit all types of motors.(4)For different type machines.(5)Ratio:2-stage is 5~24.8,3 ...