NMRV series aluminum alloy worm reducer 1)high quality aluminum alloy,appearance elegant 2)efficient radiator,high carrying Gear Model No.: NMRV/NRV025, 030, 040, 050, 063, 075, 090, 110, 130 ,155planetary reducer,worm gear reducer,gear drive Features:1) High quality aluminum alloy die cast gearbox2) High accuracy worm gear and worm shaft3) Less noise and lower temperature increase4) Easy ...