Anyhow, see a 2007 article in JumpCut, "Dialect and Modernity in 21st Century Sinophone Cinema," by Sheldon Lu, for a cool excursion on the general topic.
The New York Times story about the production is here, and the trailer is below. The original footage from the announcement of the PRC's founding below as counterpoint.
Key questions: will there be a resurgence of Mao suit chic? And was that soundtrack pulled from one of the Final Fantasy games?