Following activities are executed to raise recycling rate:
Scrap of Tape and Reel (PS material) is reused as an fuel for cement production
Discarded fluorescent lamps are broken down to glasses and metals to be recycled as raw materials.
Precious metals and heavy metals are taken out from sludge generated at plating waste water treatment to be recycled.

Each company in the group exercises its ingenuity in decreasing environmental burdens other than above-mentioned activities.
Lead-free furnace
Because shortening working hours by improving productivity is related to promotion of energy conservation, and decreasing process failure by improving quality is related to waste reduction, we assume that these are environmental preservation activities.
A modal shift that uses container train for a part of the distribution between bases began to control the amount of CO2 generation by truck transportation in July, 2005.