Our welding procedures for piston crowns, cylinder covers, and related parts are authorized by most of the Japanese Engine Makers .
![logo-j-eng](/images/authorizations-images/logo-j-eng.jpg)
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![arrow-auth](/images/arrow-auth.png)
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JAPAN ENGINE CORPORATION (SINCE 2017)
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![Akasaka](/images/authorizations-images/Akasaka.jpg)
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![arrow-auth](/images/arrow-auth.png)
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AKASAKA DIESEL (SINCE 1999)
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![Hanshin](/images/authorizations-images/Hanshin.jpg)
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![arrow-auth](/images/arrow-auth.png)
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HANSHIN DIESEL (SINCE 2003)
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![Kawasaki](/images/authorizations-images/Kawasaki.jpg)
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![arrow-auth](/images/arrow-auth.png)
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KAWASAKI HEAVY INDUSTRY (SINCE 2004)
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![MITSUI2018](/images/MITSUI2018.png)
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![arrow-auth](/images/arrow-auth.png)
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MITSUI ENGINEERING & SHIPBUILDING COOPERATIVE WORKSHOP(SINCE 2018)
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![Hitachi](/images/authorizations-images/Hitachi.jpg)
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![arrow-auth](/images/arrow-auth.png)
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HITACHI ZOSEN (SINCE 2009)
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![Makita](/images/authorizations-images/Makita.jpg)
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![arrow-auth](/images/arrow-auth.png)
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MAKITA CORPORATION (SINCE 2011)
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![Imex](/images/authorizations-images/Imex.jpg)
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![arrow-auth](/images/arrow-auth.png)
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IMEX CO., LTD (SINCE 2012)
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![Diesel United](/images/authorizations-images/Diesel_United.jpg)
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![arrow-auth](/images/arrow-auth.png)
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DIESEL UNITED, LTD. (SINCE 2013)
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Our reconditioning techniques and welding procedures are approved and certified by:
![GERMANISCHER LLOYD](/images/authorizations-images/GERMANISCHER_LLOYD.jpg)
GERMANISCHER LLOYD
![LLOYDS REGISTER](/images/authorizations-images/LLOYDS_REGISTER.jpg)
LLOYD’S REGISTER
![AMERICAN BUREAU OF SHIPPING](/images/authorizations-images/AMERICAN_BUREAU_OF_SHIPPING.jpg)
AMERICAN BUREAU OF SHIPPING
![NIPPON KAIJI KYOKAI](/images/authorizations-images/NIPPON_KAIJI_KYOKAI.jpg)
NIPPON KAIJI KYOKAI
![DET NORSKE VERITAS](/images/authorizations-images/DET_NORSKE_VERITAS.jpg)
DET NORSKE VERITAS
![BUREAU VERITAS](/images/authorizations-images/BUREAU_VERITAS.jpg)
BUREAU VERITAS