Below is the excerpt from 20-F, which clearly stated that the auditor has expressed "unqualified opinion".
We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated financial statements and financial statement schedule as of and for the year ended December 31, 2010, of the Group and our report dated May 24, 2011 expressed an unqualified opinion on those financial statements and financial statement schedule. /s/ Deloitte Touche Tohmatsu CPA Ltd. Beijing, the People’s Republic of China
DefinitionAuditor's opinion of a financial statement, given without any reservations. Such an opinion basically states that the auditor feels the company followed all accounting rules appropriately and that the financial reports are an accurate representation of the company's financial condition. opposite of qualified opinion.