| Nov 1964 |
Established with 100 million JPY capital |
| Sep 1965 |
Completion of first electric furnace (7,800KVA) |
| Nov 1967 |
Capital increased to 200 million JPY |
| Mar 1968 |
Completion of second electric furnace (19,000KVA) |
| May 1970 |
Capital increased to 400 million JPY |
| Sep 1970 |
Completion of third electric furnace (40,000KVA) |
| Jul 1973 |
"Pollution Control Agreement" executed with Kurashiki City |
| Apr 1975 |
Capital increased to 800 million JPY |
| Aug 1975 |
Completion of fourth electric furnace (40,000KVA) |
| Dec 1978 |
Completion of middle- and low-carbon ferromanganese manufacturing facilities equipped with shaking ladle |
| Aug 1984 |
Fourth electric furnace scrapped to make way for construction of shaft-type smelting furnace |
| Jun 1985 |
Completion of shaft-type smelting furnace |
| Apr 1987 |
Production of medium- and low-carbon ferromanganese commences via direct decarburization process |
| Oct 1987 |
Completion of facility to produce boron nitride under contract with Kawasaki Steel Co., Ltd. |
| Jun 1988 |
Completion of facility to produce high-purity manganese oxides |
| Dec 1988 |
Establishment of Mizushima Industries Co., Ltd. |
| Jul 1994 |
Right to produce and sell boron nitride transferred from Kawasaki Steel Co., Ltd. |
| Jan 1997 |
Establishment of joint venture Cate Ridge Alloys (CRA) |
| Mar 1998 |
Capital increased to 1,257 million JPY |
