Gear 1.Largest gears can be measured 2.precise making process 3. High quality 4.over 10 year experience Gearspecifications1.Largest gears can be manufactured and measured 2.Diameter 4000mm, module 40, precision class DIN3 3.Weight 20 TonsGearOur company has the ability to forge, quench and temper, process, surfuce quench and carbonize high precision soft/ hard-surfaced gear or gear shaft. The ...