An investigation of Huawei Technologies Co.’s latest AI offering has unearthed an advanced processor made by Nvidia Corp. manufacturing partner Taiwan Semiconductor Manufacturing Co., suggesting that China is still struggling to reliably make its own advanced chips in sufficient quantities.

Taiwan Semiconductor Manufacturing Co. has notified U.S. officials about a potential attempt by a customer to circumvent export controls on chip technology. According to today’s reports, TSMC alerted the Commerce Department about an incident involving a Huawei chip known as the Ascend 910B.

Taiwan Semiconductor Manufacturing Company notified the U.S. that one of its chips had been found in a Huawei product after tech research firm TechInsights took apart the product, a person familiar with the matter said,

Taiwan Semiconductor Manufacturing Company (TSMC) has informed the U.S. government about a potential attempt to manufacture artificial intelligence (AI) chips for Huawei, a Chinese technology group, in violation of export controls.

Taiwan Semiconductor Manufacturing Company notified the U.S. a couple of weeks ago that one of its chips had been found in a Huawei device after a teardown by the tech research firm TechInsights, according to a person familiar with the matter.