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| 1930 | ・Murayama Steel Factory founded by President Murayama. Started forging production of western metal razors. | |
| 1939 | ・Became a corporation with a capital fund of $5,000. | |
| 1941 | ・Started forging production for aircraft parts. | |
| 1950 | ・Became designated management plant for the national railway. ・Began forging production for the national railway. |
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| 1955 | ・Started business with Press Kogyou Co., Ltd. ・Started business with Fuji Machinery Co., Ltd. |
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| 1959 | ・Started business with Honda Motor Co., Ltd. | |
| 1962 | ・Electrical Discharge Machine was introduced, mass production was established. | |
| 1963 | ・President Katsumasa Toya appointed. ・Switched from Board hammers to Air hammers. |
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| 1967 | ・Capital stock increased to $270,000. | |
| 1970 | ・1,600 Ton Forging Press and 2,500 Ton Forging Press introduced to increase safety and productivity. ・600kw and 700kw High Frequency Induction Heating Furnaces installed. |
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| 1973 | ・Began construction of Fukushima factory. | |
| 1974 | ・First construction stage of Fukushima factory completed. ・Relocation of 2,500 Ton Forging Press. ・New installation of 3,000 Ton Forging Press and 1,600 Ton Forging Press. |
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| 1978 | ・The 1,600 Ton Forging Press was used for producing aluminum parts due to an increase demand in aluminum products. | |
| 1979 | ・Second construction stage of Fukushima factory completed. ・Transfered all production from Tokyo factory to Fukushima. ・Installation of Ion Nitride Furnace (to extend Die life). |
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| 1981 | ・Third construction stage of Fukushima factory completed. ・1,600 Ton Forging Press installed. ・Built the new inspection factory. |
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| 1982 | ・Installed 2,500 Ton Forging Press, 350 Ton Billet Shear. ・To meet the increased demands for aluminum products, new aluminum forging factory built. ・Installed 2500 Ton Forging Press. |
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| 1983 | ・Installed CNC wire cutting EDM. | |
| 1984 | ・Installed 1,600 Ton Forging Press Line. ・Large scale Ion Furnace added. |
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| 1985 | ・Installed 4,000 Ton Automatic Transfer Press Line. ・Second forging factory built. ・Installed Electric Discharge Machine. |
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| 1986 | ・Installed 1,600 Ton Auto Transfer Press Line. ・Installed 500 Ton Billet Shear. ・Hammer factory created. (3 Ton, 1.5 Ton, 3/4 Ton). ・Second die assembly factory established. ・Installed 3 Dimensional Coordinate Measuring Machine. |
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| 1987 | ・Established US projects. | |
| 1988 | ・TFO Tech Co., Ltd. established as an Ohio-based affiliate. Began operations with capital fund of $85,000. ・Installed 1,800 Ton and 5,000 Ton Press Lines. ・Installed 4,000 Ton Automatic Transfer Press Line to Fukushima Factory. |
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| 1989 | ・Commercial production began for TFO Tech Co., Ltd. | |
| 1998 | ・Installed high speed processing machine for higher efficiency. | |
| 1999 | ・Installed heat treatment facility for forged iron products. | |
| 2001 | ・Company name changed from Murayama Iron Co. to TFO Corporation. | |
| 2002 | ・Constructed second aluminum factory, installated 2,500 Ton Knuckle Press. ・Southern factory built for aluminum thermal process and finishing. |
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| 2003 | ・Installed Twister for crankshaft production. ・Installed 3,300 Ton Nucklepress for aluminum forging. ・Established TFO Tech (Thailand) Co., Ltd. ・Transferred forging equipment from Japan to Thailand. |
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| 2004 | ・Commercial production began for TFO Tech (Thailand) Co., Ltd. ・Installed Automatic Transfer Press Line to Fukushima factory. |
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| 2005 | ・Increased capital stock to $808,000. ・Started the production and sales of Truck Link for construction machines. |
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| 2006 | ・Installed 2,000 Ton Press Line in the third new aluminum factory. | |
| 2007 | ・Installed 4,000 Ton and 1,600 Ton Press Lines in the newly built factory in Kumamoto, Japan due to high demands in the Kyuushu area. | |
| 2008 | ・Transitioned to a 7 Line structure and added 5,000 Ton Press Line to TFO Tech Co., Ltd. ・3,000 Ton Press Line added to TFO Tech (Thailand) Co., Ltd. |
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Forging Production Weight (Ton)
Forging Production Amount (10,000)
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