Eight years of trying to sell BlackBerrys in China has paid off for Research In Motion, which finally won permission from the Chinese authorities to sell its handsets there. The breakthrough could help the Canadian company continue its wave of financial good news.

RIM co-CEO James L. Balsillie is reported to have made the announcement in a conference call with analysts last week. According to an unnamed manager in RIM’s Beijing office, cited in Canada’s Globe and Mail on Wednesday, RIM received approval from the Chinese Ministry of Information Industry in June.