... two different types can be assembled together worm gearbox,gearbox two different types can be assembled ... aluminum alloy die cast gearbox 2) High accuracy worm gear and worm shaft 3) Less noise and lower temperature increase ... , JRV, JRV-VS, SMRV, WGR, RSTV, RV, MGW, MV-NMRV, DMRV, EWM, MKV, K-MG MGW, WPA VGWR, ALW, ALN ... , HF, SSJ, HF, BW, CHMR, ESV and so on. worm gearbox,gearbox(NMRV series)