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Kawamura Ltd. October, 2007 |
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History of the company 1940 Founded at Taga-cho in Hitachi City as one of the designated factory of Taga Works, Hitachi, Ltd. started manufacturing electric parts for automobiles. 1948 Started manufacturing metallic molds for plastic molding. 1957 Built and moved to Main Factory at Ohmika-cho in Hitachi City. 1987 Built Tokai Factory in Tokai Village. 1995 Awarded the Incentive Prize as the developer of an industrial technology (for manufacturing retractors) by the Small and Medium Enterprise Promotional Public Corporation (SMEPPC). 1995 Established a Japanese-Thailand joint venture, TSK Forging Co. Ltd. 1998 Awarded the Material Process Technology Industry Prize (for the production of flat commutators) 2004 Awarded the Incentive Prize as the developer of the industrial manufacturing technology by SMEPPC (for the development of flat commutators used for power steering). 2006 Has been certified about the ISO 9001 |
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Products (specializing in automotive parts manufacturing) Cold forging parts: ports, pinion-shafts, flat commutator, sprocket and pulley Metallic molds: metallic molds for aluminum die-casting, magnesium die-casting, and chikuso molding Oil hydraulic machines: high precision oil hydraulic press |
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 Examples of the products manufactured with self-made metallic molds |
 Cold forged products |
Technical features Both metallic molds and forged parts are performed in their own factory through the whole processes from designing via manufacturing to inspection, satisfying customers in quality, performance, and time of delivery. The most dominant feature of their products is that they are of mass-produced items specializing in elemental devices for automotive parts. Most of all, the flat commutator made of copper-silver alloy was patented in 1993 for its manufacturing method and is awarded the Incentive Prize as the developer of an industrial technology by Ibaraki Prefecture SMEPPC and awarded the Technology Incentive Prize by the Mechanical Technology Promotional Organization of the former Ministry of International Trade and Industry. As for oil hydraulic presses, an oil hydraulic mechanism was patented as a result of joint application with Hitachi, Ltd. and awarded the Invention Grand Prize in 1991. |
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Miscellaneous There are four makers of cold forged products including Kawamura Seisakusho Ltd. in Hitachi City, but they are not in rivalry because of difference in areas and uses of their products. One of the makers is using the oil hydraulic presses made by Kawamura Ltd. The main Factory is specializing in metallic mold and others concerned, and Tokai Factory in automotive parts. The ratio of dependence upon Hitachi Ltd. is reduced at relatively early stage of the history and the market has been diversified. The welfare of employees is not active as a whole company. There are no overseas trainees who were once received occasionally. Noise and vibration are cared about, as surrounding areas of the Main Factory is now becoming a residential area. |
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 A scene of operations in the factory |
 A horizontal machining center |
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of infomation: Kawamura Ltd. Location of Main Office 2-2-12 Ohmika-cho, Hitachi-shi 316-1221 Tel.0294-52-1991／Fax.0294-53-4824 Location of Tokai Factory 3115-10 Aza-hirahara, Muramatsu, Tokai-mura, Ibaraki-ken 319-111 Tel.029-282-8522／Fax.029-282-0602 |
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