Brief: Sun-Wa Technos appoints chairman and president
May 10 (Reuters) - Sun-Wa Technos Corp 8137.T
* Says it appointed Hiroyuki Tanaka as new president
* Says it appointed current president Sei Yamamoto as new
chairman
* Says Masujiro Yamada will retire from chairman
* Effective June 28
Source text in Japanese:https://goo.gl/aHvYLK
Further company coverage: 8137.T
(Beijing Headline News)
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