May 21 (Reuters) - Menicon Co Ltd 7780.T
* Says it plans to issue first series and second series
convertible bonds with subscription warrants worth 8 billion yen
in total, with payment date on June 7
* Says proceeds will be mainly used for expansion of
production
and investment of production management system
Source text in Japanese: https://goo.gl/rJR2rc
Further company coverage: 7780.T
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