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BRIEF-Shenzhen Exchange Filing Shows Block Trade Of Walvax Biotechnology's Shares Involving 349 Mln Yuan

Dec 6 (Reuters) - Walvax Biotechnology Co Ltd:

* SHENZHEN STOCK EXCHANGE FILING SHOWS BLOCK TRADE OF WALVAX BIOTECHNOLOGY'S 17.67 MILLION SHARES INVOLVING 349.22 MILLION YUAN ON DEC 6 Source text in Chinese: https://bit.ly/2lSW4T8 Further company coverage: (Reporting by Hong Kong newsroom)