The US has exempted some of China’s largest semiconductor companies, including its top DRAM producer, from recent export restrictions due to opposition from Japan, according to sources. This concession was reportedly made as part of the latest round of chip export controls, which aim to limit Chinese access to advanced technology used in the production of semiconductors.
Source: https://www.scmp.com/tech/tech-war/article/3289594/chip-war-us-exempts-some-chinese-firms-curbs-concession-japan-sources-say