About Us
ISO 9001-Certified Head Office /
Shirakawa Factory / Ibaraki Factory
Corporate Profile
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Company Name KYOEI PLASTIC MFG CO., LTD. President and CEO Hiroto Koshimizu Date of Establishment April 1, 1964 Capital JPY 24 million Head Office - 88 Mukaehata, Yoshioka-Aza, Ooaza, Nakajima-Mura, Nishi Shirakawa-Gun, Fukushima, Japan
TEL +81-(0)248-21-8567 FAX +81-(0)248-21-8568 Directors and Officers - President and CEO Hiroto Koshimizu
- Director Kazuya Tsukada
- Director Kenji Fukatsu
- Auditor Takashi Shimada
Number of Employees 62 (As of December 31, 2024) -
Head Office
Our History
| April 1964 | Founded in Edogawa-ku, Tokyo |
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| November 1965 | Converted to a limited liability company |
| March 1967 | Converted to a joint-stock company |
| April 1974 | Commenced operations in the newly constructed Shirakawa Factory |
| December 1976 | Installed the secondary processing division at the Shirakawa Factory |
| September 2001 | Consolidated the Tokyo Factory with the Shirakawa Factory |
| June 2003 | Relocated the Head Office to Nihonbashi-Kodenmacho, Chuo-ku, Tokyo |
| July 2006 | Established the Ibaraki Factory |
| November 2007 | Head Office and Shirakawa Factory received ISO 9001 certification |
| September 2015 | Relocated the Head Office to Kanda-Awajicho, Chiyoda-ku, Tokyo |
| October 2016 | Ibaraki Factory received ISO 9001 certification |
| September 2021 | Relocated the Head Office to Nakajima-Mura, Nishi Shirakawa-Gun, Fukushima |
Shirakawa Factory
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Address - 88 Mukaehata, Yoshioka-Aza, Ooaza, Nakajima-Mura, Nishi Shirakawa-Gun, Fukushima, Japan
TEL +81-(0)248-52-3161 FAX +81-(0)248-52-2817 Site Area 10,383 m2 -
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Ibaraki Factory
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Address - 440 Shimo-Isagoi, Sakai-machi, Sashima-Gun, Ibaragi, Japan
TEL +81-(0)280-87-1311 FAX +81-(0)280-87-1312 Site Area 8,220 m2 -
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