https://arstechnica.com/tech-policy/2022/09/us-lawmakers-escalate-pressure-on-chinese-chipmaker-ymtc/ > Top US lawmakers are urging the Biden administration to put Chinese semiconductor company Yangtze Memory Technologies Co on a blacklist for allegedly violating export controls by supplying Huawei. > Democratic Senate Majority Leader Chuck Schumer told the Financial Times that he was concerned about a report, obtained by the FT, that showed YMTC has provided NAND memory chips for the Mate Xs 2, the new flagship foldable phone from Huawei, the Chinese telecoms equipment giant.