| October, 1975 | Kowa Denzai-Sha Ltd. was founded at Nishi Kamata Ota-ward Tokyo for sales of electric wire and harness production. |
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| November, 1975 | Machida factory was established in Machida Tokyo for production of wire harness for calculator as its main product |
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| December, 1976 | Production of wire harness for photocopier initiated. |
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| July, 1980 | Ryugasaki factory was established in Ryugasaki Ibaraki as a management facility with an aim to reduce logistics cost. |
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| August, 1984 | Kawachi factory was established in Kawachi Inashiki Ibaraki for establishment of automation and quality assurance system. |
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| October, 1986 | Floor addition to Kawachi factory for material management center |
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| May, 1990 | UL (Underwriter’s Laboratory) certification obtained for expansion of sales of wire harness in North America |
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| March, 1993 | Management dept. relocated from Ryugasaki to Kawachi factory
with addition of new floor to improve efficiency and centralizing
production |
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| September, 1993 | PT. HARMONICS TECHINDO AGUNG established near Jakarta Indonesia to be competitive on production cost |
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| September, 1996 | Singapore office established as the hub of SE Asian sale and material supply center |
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| November, 1996 | Completion of HQ building |
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| May, 1999 | Incorporating of Singapore office to ORLANE INTERNATIONAL PTE. LTD. |
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| April, 2005 | Kyoto office established to strengthening Kansai region customer support. |
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| June 2007 | Kawachi factory certified with Eco-Stage as a result of environment measure activities |
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