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Corporate Information
History
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 1965 1969 1970 1972 1974 1975 1979 1979 1984 1986 1986 1989 1989 1990 1990 1993 1995 1997 1999 2001 2001 2002 2003 2003 2005 2005 2006 2007 2008 2010 2010
Osaka sales office (currently as Osaka Branch) and Nagoya sales office (currently as Nagoya Branch) were established.[ Mitsubishi Shindoh Co., Ltd. ]
Capital increased to 800 million yen.[ Sambo Copper Alloy Co., Ltd. ]
Commenced the first stage of modernization of facilities.[ Mitsubishi Shindoh Co., Ltd. ]
Installed industry-first 3000 ton extruder.[ Sambo Copper Alloy Co., Ltd. ]
Commenced production of lead frame materials for semiconductors.[ Mitsubishi Shindoh Co., Ltd. ]
Built Technological Research Institute inside Head Office.[ Sambo Copper Alloy Co., Ltd. ]
Commenced sales of gas flexible metal connectors.[ Mitsubishi Shindoh Co., Ltd. ]
Commenced the second stage of modernization of facilities.[ Mitsubishi Shindoh Co., Ltd. ]
Annual production volume exceeded 100,000 tons[ Sambo Copper Alloy Co., Ltd. ]
Commenced the third stage of modernization of facilities, and established R & D Center.[ Mitsubishi Shindoh Co., Ltd. ]
Renamed as MITSUBISHI SHINDOH CO., LTD.[ Mitsubishi Shindoh Co., Ltd. ]
Started operation of reversible hot rolling mill[ Sambo Copper Alloy Co., Ltd. ]
Capital increased to 5 billion yen.[ Mitsubishi Shindoh Co., Ltd. ]
Started operation of 12-stage cold rolling mill[ Sambo Copper Alloy Co., Ltd. ]
Commenced the fourth stage of modernization of facilities, and expanded into production of copper tubes with inner grooves[ Mitsubishi Shindoh Co., Ltd. ]
Installed and started operations of new indirect extruder[ Sambo Copper Alloy Co., Ltd. ]
Installed and started operations of new continuous melting and casting machine[ Sambo Copper Alloy Co., Ltd. ]
Established RYOSHINDOH MANUFACTURING (MALAYSIA) SDN. BHD.[ Mitsubishi Shindoh Co., Ltd. ]
Capital increased to 1.8 billion yen.[ Sambo Copper Alloy Co., Ltd. ]
Capital increased to 2.55 billion yen.[ Sambo Copper Alloy Co., Ltd. ]
GOTOH MFG CO., LTD. and GOTOH PHILIPPINES CORPORATION became our subsidiaries.[ Mitsubishi Shindoh Co., Ltd. ]
Developed EcoBrass lead-free brass alloy
Obtained ISO9001 and ISO14001 certifications Won Award for TPM Excellence, Category B[ Sambo Copper Alloy Co., Ltd. ]
Obtained the ISO 14001 certification at Wakamatsu Plant.[ Mitsubishi Shindoh Co., Ltd. ]
Transferred forging business to Sambo Forging Co., Ltd.[ Sambo Copper Alloy Co., Ltd. ]
Installed and started operations of new No. 2 AP Line[ Sambo Copper Alloy Co., Ltd. ]
Beijing Office was established. Capital increased to 8,713,400,000 yen.[ Mitsubishi Shindoh Co., Ltd. ]
Won Award for Consistent TPM Commitment-1st Category[ Sambo Copper Alloy Co., Ltd. ]
Became a wholly-owned subsidiary of Mitsubishi Materials Corporation.[ Sambo Copper Alloy Co., Ltd. ]
Through merger of both companies, the new integrated company, "Mitsubishi Shindoh Co., Ltd.," was started.
March 1, Announcement of basic agreement on business alliance with SDI Corporation.
March 19, Installed and started opetation of New Rolling Facilities in Sambo Plant.
