BRIEF-Gree Real Estate's Unit To Buy 18.6% Stake In Shanghai Kehua Bio-Engineering For 1.7 Bln Yuan

May 10 (Reuters) - Gree Real Estate Co Ltd:

* SAYS UNIT AGREES TO BUY 18.6% STAKE IN SHANGHAI KEHUA BIO-ENGINEERING CO LTD FOR 1.7 BILLION YUAN ($240.34 million) FROM LEAGUE AGENT (HK) Source text in Chinese: Further company coverage: ($1 = 7.0732 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)