AI infrastructure company Infinigence AI (无问芯穹) has closed a RMB 2.3 billion Series C round, bringing total funding to over RMB 4.3 billion, with backing from Tencent, Baidu, Lenovo, Sequoia China, and others. The company has filed for a Hong Kong IPO aiming to raise several hundred million USD, with a listing potentially as early as H1 2027.