BRIEF-Shenzhen Exchange Filing Shows Block Trade Of Nanyang Topsec's Shares Involving 316.7 Mln Yuan

Nov 18 (Reuters) - Shenzhen Stock Exchange:

* FILING SHOWS BLOCK TRADE OF NANYANG TOPSEC TECHNOLOGIES' 23 MILLION SHARES INVOLVING 316.7 MILLION YUAN ($45.28 million) ON NOV 18 Source text in Chinese: Further company coverage: ($1 = 6.9941 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)