From a summary of the story:
Economics has a large effect on China's religious freedom, Forum 18 News Service notes. Factors such as the need of religious communities for non-state income, significant regional wealth disparities, conflicts over economic interests, and artificially-induced dependence on the state income all provide the state with alternative ways of exercising control over religious communities.... Perhaps the greatest beneficiary of economic clashes is the state, which can use both control of income and also favouritism in economic conflicts to restrict religious freedom.
You can read it here