BRIEF-Shenzhen Stock Exchange Filing Shows Block Trade Of Muyuan Foods' Shares Involving 501.8 Mln Yuan

March 16 (Reuters) - Shenzhen Stock Exchange Filing Shows:

* BLOCK TRADE OF MUYUAN FOODS CO LTD'S 4.5 MILLION SHARES INVOLVING 501.8 MILLION YUAN ($71.70 million) ON MARCH 16 Source text in Chinese: Further company coverage: ($1 = 6.9982 Chinese yuan renminbi) (Reporting by Hong Kong newsroom)