AWS in China is not run by AWS:
"To provide the best experience for customers in China and to comply with China’s legal and regulatory requirements, AWS has collaborated with China local partners with proper telecom licenses for delivering cloud services. The service operator and provider for AWS China (Beijing) Region based out of Beijing and adjacent areas is Beijing Sinnet Technology Co., Ltd. (Sinnet), and the service operator and provider for AWS (Ningxia) Region based out of Ningxia is Ningxia Western Cloud Data Technology Co., Ltd. (NWCD)."