Corporate Information

History

Mitsubishi Shindoh Chronology

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. ]

1964
Osaka sales office (currently as Osaka Branch) and Nagoya sales office (currently as Nagoya Branch) were established.[ Mitsubishi Shindoh 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. ]

1984
Commenced the third stage of modernization of facilities, and established R & D Center.[ Mitsubishi Shindoh 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.

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