The following is from ft.com. I think this can answer your question:
reference link -
http://www.ft.com/cms/s/0/1f09e1 ... .html#ixzz18IprN4lI
Google: China was prepared to call Google’s bluff when the US company threatened to withdraw from the country. Put another way, Google was prepared to call Beijing’s bluff by pulling back from the world’s biggest – though not most profitable – internet market. Either way, China has begun to take a different attitude to the multinational companies whose investments and technology it once craved. Having absorbed much foreign technology, it now seems to be tilting the playing field in favour of its own companies.