Product Description 1.Motovario NMRV version motor gearboxes,marked as SMRV in our factory,available reduction ratios for single unit of SMRV063 aluminum speed reducer are 1:5, 7.5,   80,100; 2.This model is made to IEC standard specs. Customising is available for flanges,output shafts;     Besides this model,the other NMRV models are also produced in our factory; 3.Warranty: 1 year after … Continue reading China manufacturer Transmission 063 Drive Motor Shaft Nmrv Smr Series Reduction Worm Gearboxes cvt gearbox