China CE Approved Nmrv Worm Gearbox with Gear Motor wholesaler

Product Description  Item DescriptionMain Materials:1)housing:aluminium alloy ADC12(size 571-090) die solid iron HT200(measurement a hundred and ten-150)2)Worm:20Cr, ZI Involute profile carbonize&quencher warmth therapy make gear surface area hardness up to fifty...