XML 61 R59.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 3 - Summary of significant accounting policies (Detail) - The exchange rates used to translate amounts in RMB into US$
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Items in the statements of income and comprehensive income, and statements of cash flows 6.2816 6.3161 6.2858 6.3201