BRIEF-Hengli Petrochemical Plans To Buy Back Company Shares Worth Up To 1 Bln Yuan

March 17 (Reuters) - Hengli Petrochemical Co Ltd :

* SAYS IT PLANS TO BUY BACK COMPANY SHARES WORTH UP TO 1.0 BILLION YUAN ($142.44 million) WITHIN 12 MONTHS Source text in Chinese: Further company coverage: ($1 = 7.0204 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)