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History

1947
May   Established as a subsidiary of Mitsubishi Mining Company Ltd.(now Mitsubishi Materials Corporation).
We started the business to supply operation goods to our parent company and works as their nonlife insurance agent.
1962
March   Construction division expanded following registration with the Ministry of Construction under the Construction Business Act
1989
December   Opened a branch in Singapore
1995
December   Opened a branch in Seoul
1996
March   Established Ryoko Services Corporation by means of merger of service subsidiaries
1999
April   Established Ryoko Sangyo (Thailand) Co., Ltd.
2001
April   Merged with Sanko Materials Co., Ltd.
2003
October   Merged with Godo Kinzoku Co., Ltd.
2004
April   Opened an office in Shanghai
April   Kanagawa Branch examined and registered as ISO 14001-compliant organization
December   Branches in Osaka and Himeji examined and registered as ISO 9001-compliant organization
2005
September   Entire company examined and registered as ISO 14001-compliant organization
2006
September   Opened a branch in Perth Australia.
2007
January   Merged with Maruse Co., Ltd.
August   Became a wholly-owned subsidiary of Mitsubishi Materials Corporation through a stock swap
2010
April   Opened an office in Gimpo, South Korea
2011
March   Silicon Parts Group examined and registered as ISO 9001 compliant.
September   Opened an office in Hanoi.
October   Fukuoka Branch and Nagasaki Office examined and registered as ISO 9001 compliant
2012
October   Opened an office in Eunos, Singapore.
2013
April   Established PT. Ryoko Sangyo Indonesia
2014
July   Changed company name to Mitsubishi Materials Trading Corporation
2015
January   Succeeded precious metals business from Mitsubishi Materials Corporation
2015
April   Opened an office in Taipei.
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