Mhmhd is your right choice to the oem and much more. Our advanced technology in gear cutting, hobbing and grinding guarantees the gear's longer lasting replacement and higher quality. Mhmhd provides helical gear/ spur gear/ bevel gear/ gearbox/ reducer etc. In the field of mining, cement, steel-making, construction, oil & gas... Send your inquiry and drawing to get the best price now! On order and drawing