≫Japanese ＊We deliver from 1 pc on the same day throughout Japan.
Website of Hanna Koatsu Kogyo Co., Ltd. Professional of Square Flange JIS B2291 is a flange used as a joint for piping exceeding 210kg/cm used for fuel of vessels, space rockets, etc. From the day of establishment, we, as a specialized manufacturer, have guaranteed the absolute quality and satisfied a lot of clients.
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Reliable Guarantee Produce to the last minute" 　　　　　　"Attention to the quality of materials" "Sincere response to the custom-made products" 　　　　　　"Pride as a professional manufacturer"