|December||The company was founded.|
|April||Test operations were initiated.|
|October||Commercial operation started.|
|April|| Commercial operation at the monthly production rate of
6,000MT electrolytic copper started.
|March|| Commercial operation at the monthly production rate of
10,000MT electrolytic copper started.
|March||A second double-contact sulfuric acid plant was put into operation.|
|January|| Expansion work for production up to 20,000MT of
electrolytic copper per month began.
The No.2 reverberatory furnace , gypsum plant and the No.3 tank house
were put into operation.
|June||Use of waste tires as substitute fuel began.|
|August||Fuel of reverberatory furnaces was converted to coal.|
|November||Incineration of waste oil started.|
|January||Oxygen plant was put into operation.|
|November||Flash dryer for concentrate was installed.|
|December||Use of Shredder residue as substitute fuel started.|
|May||Neutralized gypsum plant was put into operation.|
|May||Acquired ISO 14001 certification.|
|November||New oxygen plant was put into operation.|
|April||Charging rate of shredder residue was set at 10,000MT per month.|
|October||Awarded the Minister of METI prize for “Reduce , Reuse and Recycle(3R)”.|
|April||Charging rate of shredder residue was set at 12,000MT per month.|
|December||S furnace was put into operation.|