To Buy Back Up To 2.83% Of Own Shares Worth 950 Million Yen
May 12 (Reuters) - CK San-Etsu Co Ltd 5757.T: CK SAN-ETSU CO LTD - TO BUY BACK UP TO 2.83% OF OWN SHARES WORTH 950 MILLION YEN Source text: ID:nTSql83c4a Further company coverage: 5757.T (Reporting by Kiyoshi Takenaka) ((kiyoshi.takenaka@thomsonreuters.com;))