China’s hostility towards US technology companies is escalating this week with a ban on government use of Apple’s iPads and MacBooks. Bloomberg reports that up to 10 Apple products have been removed from a Chinese government procurement list last month over security concerns related to their usage. The latest move follows similar bans on products from US firms Microsoft and Symantec. Microsoft’s latest Windows 8 operating system was banned from Chinese government computers recently, catching the software maker by surprise. Microsoft’s Chinese offices were also raided recently over monopoly allegations, and a Chinese government agency is also investigating American technology company Qualcomm for potential antitrust issues.