BRIEF-Shenzhen Capstone Industrial's Unit To Buy 51% Stake In Biotech Firm

Nov 18 (Reuters) - Shenzhen Capstone Industrial Co Ltd :

* SAYS ITS UNIT PLANS TO BUY 51% STAKE IN BIOTECH FIRM FOR 142.8 MILLION YUAN ($20.33 million) Source text in Chinese: http://bit.ly/331dlMR Further company coverage: ($1 = 7.0244 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)