interesting article from SIPO.
I still have clients thinking that there's no point in filing Chinese patent applications. This perception is fast becoming outdated. China is continually improving its patent systems. Given that the life of a patent is 20 years, it is imperative that you consider filing in China.
Utility models are particularly popular amongst Chinese filers. They can be very useful for relatively simple mechanical devices.
I will try to write more about this rapidly evolving jurisdiction. In the meantime, don't forget to make China part of your IP Strategy.