The US Commerce Department is adding Chinese chip company Sophgo to the trade blacklist for its link to Huawei AI processor.Sophgo, an affiliate of Bitmain, will be added to the Entity List, barring US companies from supplying it without a license.TSMC had stopped supplying Sophgo after it was found that a TSMC-manufactured chip was inside Huawei's 910B AI chip.The US is imposing restrictions to prevent China from developing advanced chips for AI, citing national security concerns.