Under the guidance of the former Ministry of Transport, this company was established in response to a request from the Signal Equipment Laboratory of the Railway Technical Research Institute (former Japanese National Railways) to Our Company manufactured and installed road lines and signs for the Tokyo Our Company 's rail insulation was adopted for the first time in Japan when the Shingokizai co., ltd. continues to move forward to ensure the safety and develop railway rail insulation and rail bonds.Tokaido Shinkansen line started operation.More than 50 years have passed since then...smoothness of railway and road traffic.19471964Olympics.
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