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Headquarters factory
Niigata Minami Factory
History
March 1985
January 1988
April 1988
January 1991
October 1999
October 2002
November 2003
September 2004
January 2005
July 2014
June 2017
August 2018
September 2018
Operation started at the same time as the completion of the first factory building
Expand material warehouse
Increased capital to 30 million yen
Completion of the second factory building
High-pressure sodium lamp section ISO9002 acquisition (1996 version)
High-pressure sodium lamp section ISO9001 acquisition (2000 version)
Quartz processing division ISO9001 acquisition makes it subject to company-wide ISO
Obtained ISO14000
Completion of the 4th factory building
Established Niigata Minami Factory in Minami-ku, Niigata City
Headquarters factory ISO14001 / ISO9001 revision (2015 version)
Niigata Minami Factory ISO14001 acquisition (2015 version)
Niigata Minami Factory ISO9001 acquisition (2015 version)
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