China Mobile has an iPhone app already.
WorldWide Tech & Science. Francisco De Jesùs.
There is a site page on the China Mobile web for the iPhone, even there are some texts about the iOS version China Mobile application and says iOS V1.6.5_beta version update: Perfect fit iOS 7, (using Google translate).
If you click on the App Store banner it will take you to the iTunes store for that app and will find the same text.
We are posting below a picture of the content of that site :
Buy the iPhone 5S unlocked :