Spiral bevel gear 1.metal gears:iron stainless steel 2.Size:1-90 mm 3.Small module,complexity 4.OEM,Non- ... kinds of mechanical equipments and components,include various kinds of gears and gear box.HENGKO Powder Metallurgy gear includes: bevel ... gear, helical gear, multi-layer gears, miniature gears, small module gear reducer, all kinds of precision gears.HENGKO has new standard factory buildings ...