OSG has reduced its consumption rate of power by 22% from the year 2009 as a result of energy reduction efforts with the employment of inverter air-conditioning equipment for constant temperature control.

Installation of inverter units to air condition units

OSG's production-based rate of CO2 emissions became worse significantly as a result of a reduction in production in fiscal 2009. The rate has been improved in pace with the recovery of the economy, but it has not reached the level recorded in fiscal 2008 or before.

OSG totally replaced conventional grinding fluid in use with chlorine-free grinding fluid, which changed the waste fluid into a valuable product. However, the total amount of waste discharged in fiscal 2010 was 1,599 tons, a 34% increase from the amount discharged in fiscal 2009.