CanSino Biologics, Inc. Class H's previous ex-dividend date was on Jul 13, 2022. CanSino Biologics, Inc. Class H shareholders who own HK:6185 stock before this date received CanSino Biologics, Inc. Class H's last dividend payment of HK$0.94 per share on Aug 19, 2022. HK:6185's next ex-dividend date has not been announced yet.