Energy efficiency, fuel-air recovery efficiency is more than 99%. Improve the working environment and to achieve cleaner production. Protect the physical and mental health of employees and reduce the formation of occupational diseases. Reduce the impact to the machine circuit system and the control system, which from the smoke and mist ,lower machine repairing costs. Oil mist cleaner can recycle that part of the cooling oil that from cold upsetting machine producing the smoke, reduce production costs.