BRIEF-Antong Holdings' shareholder cuts stake in the company

March 23 (Reuters) - Antong Holdings Co Ltd

* Says shareholder Heilongjiang Heihua Group has unloaded

12.86 million shares in the company on March 22 at average price

16.33 yuan ($2.37) per share

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($1 = 6.8861 Chinese yuan renminbi)

(Reporting by Hong Kong newsroom)