... years making experience *SGS,CE and ISO approval R Single-stage Helical Gear UnitFeature:(1)The building block design.(2)Housing ... .(4)For different type machines.(5)Ratio:2-stage is 5~24.8,3-stage is 27.2~264,ratio of combination ... up to 18125.(6)Solid shaft output, 2-stage efficiency 96%,3-stage efficiency 94%,DF/DR efficiency 85%.(7)Permit the ...