Group Historical Timeline
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- 1964
- Kawashima Company Founded
- 1969
- Daishu Kogyo Co. Established
- 1972
- Metalpha Co.,Ltd. Established
- 1973
- Shinko-Flex Inc. Established
- 1974
- Sanko Co., Ltd. Established
- 1979
- Tokai Chemical Co., Ltd. Established
Daishu and Sanko Co., Ltd Integration
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- 1980
- AQROFIX Co.,Ltd Established
- 1981
- From “Kawashima Company” to “Kawashima Corporation”
Kawaryo Commercial Firm Established
- 1984
- Sanko First Co., Ltd. Established
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- 1985
- Sanko Maibara Co., Ltd. Established
- 1987
- Sanko Japan Co., Ltd. Established
- 1991
- K-GOLD international Co., Ltd. Established
New Metal Co., Ltd. Established
- 1992
- Sanko Saitama Co., Ltd. Established
- 1993
- Material Co., Ltd. Established
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- 1996
- Serio Co., Ltd. Established
- 2000
- Ocean Golf Club(Kawashimashadan Co., Ltd.) Holdings
- 2002
- Alchem Japan Co., Ltd. Established
- 2003
- The Forest Country Club Co., Ltd. Stock Holdings
- 2005
- Wing Beat Co., Ltd. Established
SJ International Trading(Shanghai) Co., Ltd. Established
Fuji Kosan Co., Ltd. Established
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- 2009
- KAWARYO PGM Co., Ltd. Established
Bonari Kogen Golf Club Co., Ltd. Stock Holdings
- 2011
- Ginoza Country Club Co., Ltd. Stock Holdings
- 2012
- Nihonkai Country Co., Ltd. Stock Holdings
Green Dream Co., Ltd. Established
- 2013
- Nagoya Metal Center Co., Ltd. Established
Ohmurawan Country Co., Ltd. Stock Holdings
- 2014
- West One’s Co., Ltd. Stock Holdings
Hatsuga Genmai Co., Ltd. Established
- 2016
- G7 Country Club Co., Ltd. Stock Holdings
Nihon Aluminum Rolling Co., Ltd. Stock Holdings
G8 Fuji Country Club Co., Ltd. Stock Holdings
- 2018
- Adatara Country Club Co., Ltd. Stock Holdings
- 2020
- Audience service Co., Ltd. Stock Holdings
- 2021
- Takarazuka-kogen Golf Co., Ltd. Stock Holdings
- 2022
- Kawaryo Commercial Firm incorporated as Kawaryo Co., Ltd.