The latest export restrictions serve as a means for the US to “maintain technological hegemony”, according to Chinese Foreign Ministry spokeswoman Mao Ning.Photo: ShutterstockTech war: China’s chip self-sufficiency drive under siege as new US export controls tighten access to advanced semiconductors- The US has further restricted China’s ability to obtain the latest computing chips, develop supercomputers and manufacture advanced semiconductors- Washington has also added new licence requirements for items destined to Chinese chip foundriesThe latest export restrictions serve as a means for the US to “maintain technological hegemony”, according to Chinese Foreign Ministry spokeswoman Mao Ning.Photo: Shutterstock"