http://messages.finance.yahoo.com/Stocks_%28A_to_Z%29/Stocks_Y/threadview?m=tm&bn=79177&tid=3710&mid=3715&tof=1&rt=2&frt=2&off=1
4th qtr is fiscal year end for YONG. Sec allows 3 months for year end audited reports. Most Chinese small caps report in late March. Chinese new year slows down work too.
also:bigfredli
http://search.messages.yahoo.com/search?.mbintl=finance&q=bigfredli&action=Search&r=Huiz75WdCYfD_KCA2Dc-&within=author&within=tm