History

Step of Mitsubishi Shindoh. Beginning from the ice making industry, the Company has always been in the customer's position since full-scale entry into the copper industry, and has been stepping forward with the development of industries in Japan. Even today, as the nation's largest exporter of the copper industry, we are looking at the future without stopping that step.
1925 Established with capital of 300 thousand yen, named DAI-ICHI SEIHYO CO., LTD.[ Mitsubishi Shindoh Co., Ltd. ]
1930 Renamed as DAI-ICHI SANGYO CO., LTD.[ Mitsubishi Shindoh Co., Ltd. ]
1935 Commenced manufacturing of copper alloy products (mainly copper and brass rod and sheet) with capital of 200 thousand yen.[ Sambo Copper Alloy Co., Ltd. ]
1937 Wakamatsu Factory (currently as Wakamatsu Plant) was established. Nonferrous metal rolling business was started. Capital increased to 2 million yen.[ Mitsubishi Shindoh Co., Ltd. ]
1942 Renamed as NISSO WORKS CO., LTD.[ Mitsubishi Shindoh Co., Ltd. ]
1952 Full-scale expansion into metal product industry. Capital increased to 60 million yen.[ Mitsubishi Shindoh Co., Ltd. ]
1954 Expansion into metallization industry.[ Mitsubishi Shindoh Co., Ltd. ]
1954 Built status as general copper alloy manufacturer covering all copper alloy products such as sheet and plate, strip, pipe, rod and bar, and wire.[ Sambo Copper Alloy Co., Ltd. ]
1957 Renamed as TAMAGAWA METAL & MACHINERY CO., LTD.[ Mitsubishi Shindoh Co., Ltd. ]
1960 Commenced production of fabricated copper alloy products[ Sambo Copper Alloy Co., Ltd. ]
1963 Commenced taking orders for coin-use rounds from Japan Mint.[ Sambo Copper Alloy Co., Ltd. ]
1965 Capital increased to 800 million yen.[ Sambo Copper Alloy Co., Ltd. ]
1969 Commenced the first stage of modernization of facilities.[ Mitsubishi Shindoh Co., Ltd. ]
1970 Installed industry-first 3000 ton extruder.[ Sambo Copper Alloy Co., Ltd. ]
1972 Commenced production of lead frame materials for semiconductors.[ Mitsubishi Shindoh Co., Ltd. ]
1974 Built Technological Research Institute inside Head Office.[ Sambo Copper Alloy Co., Ltd. ]
1975 Commenced sales of gas flexible metal connectors.[ Mitsubishi Shindoh Co., Ltd. ]
1979 Commenced the second stage of modernization of facilities.[ Mitsubishi Shindoh Co., Ltd. ]
1979 Annual production volume exceeded 100,000 tons[ Sambo Copper Alloy Co., Ltd. ]
1986 Renamed as MITSUBISHI SHINDOH CO., LTD.[ Mitsubishi Shindoh Co., Ltd. ]
1986 Started operation of reversible hot rolling mill[ Sambo Copper Alloy Co., Ltd. ]
1989 Capital increased to 5 billion yen.[ Mitsubishi Shindoh Co., Ltd. ]
1989 Started operation of 12-stage cold rolling mill[ Sambo Copper Alloy Co., Ltd. ]
1990 Commenced the fourth stage of modernization of facilities, and expanded into production of copper tubes with inner grooves[ Mitsubishi Shindoh Co., Ltd. ]
1990 Installed and started operations of new indirect extruder[ Sambo Copper Alloy Co., Ltd. ]
1993 Installed and started operations of new continuous melting and casting machine[ Sambo Copper Alloy Co., Ltd. ]
1995 Established RYOSHINDOH MANUFACTURING (MALAYSIA) SDN. BHD.[ Mitsubishi Shindoh Co., Ltd. ]
1997 Capital increased to 1.8 billion yen.[ Sambo Copper Alloy Co., Ltd. ]
1999 Capital increased to 2.55 billion yen.[ Sambo Copper Alloy Co., Ltd. ]
2001 GOTOH MFG CO., LTD. and GOTOH PHILIPPINES CORPORATION became our subsidiaries.[ Mitsubishi Shindoh Co., Ltd. ]
2001 Developed EcoBrass lead-free brass alloy
2002 Obtained ISO9001 and ISO14001 certifications Won Award for TPM Excellence, Category B[ Sambo Copper Alloy Co., Ltd. ]
2003 Obtained the ISO 14001 certification at Wakamatsu Plant.[ Mitsubishi Shindoh Co., Ltd. ]
2003 Transferred forging business to Sambo Forging Co., Ltd.[ Sambo Copper Alloy Co., Ltd. ]
2005 Installed and started operations of new No. 2 AP Line[ Sambo Copper Alloy Co., Ltd. ]
2005 Beijing Office was established. Capital increased to 8,713,400,000 yen.[ Mitsubishi Shindoh Co., Ltd. ]
2006 Won Award for Consistent TPM Commitment-1st Category[ Sambo Copper Alloy Co., Ltd. ]
2007 Became a wholly-owned subsidiary of Mitsubishi Materials Corporation.[ Sambo Copper Alloy Co., Ltd. ]
2008 Through merger of both companies, the new integrated company, "Mitsubishi Shindoh Co., Ltd.," was started.
2010 March 1, Announcement of basic agreement on business alliance with SDI Corporation.
2010 March 19, Installed and started opetation of New Rolling Facilities in Sambo Plant.
2010 Qingdao Ecobrass Co., Ltd. was established in Qingdao
2015 Amagasaki Electric Wire becomes a subsidiary

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Reference

For a closer look at the history of the Mitsubishi Group, go to the Mitsubishi Group portal site.

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