BRIEF-Shenzhen Exchange Filing Shows Block Trade Of GCL System's Shares Involving 181.5 Mln Yuan On Dec 4

Dec 4 (Reuters) - Shenzhen stock exchange filing:

* SHOWS BLOCK TRADE OF GCL SYSTEM INTEGRATION TECHNOLOGY'S 29.7 MLN SHARES INVOLVING 181.5 MILLION YUAN ($25.79 million) ON DEC 4 Source text in Chinese: Further company coverage: ($1 = 7.0389 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)