According to TheInformation, the US Department of Commerce launched an investigation into TSMC earlier this month to confirm whether it provided chips to Huawei. Subsequently, TSMC stopped supplying chips to Sophgo, an artificial intelligence company associated with Bitmain. According to two informed sources, TSMC has cut off chip supplies to related companies. Since 2020, Huawei has been prohibited from purchasing chips manufactured using American technology, including chips produced by TSMC. TSMC has stated that it uses American technology in its chip manufacturing process and will comply with US laws. Previously, it was reported that semiconductor research company TechInsights claimed that after dismantling Huawei's current high-end artificial intelligence (AI) accelerator chip Ascend910B, it was discovered that this chip may have been manufactured by TSMC, which also means that TSMC may have violated US export controls. @jufugyf