Kuaishou’s StreamLake (溪流湖) is the company’s video cloud and B2B technology brand that provides full-chain digital human and XR solutions for livestreaming, e-commerce, and brand marketing; it integrates AI video creation, content understanding, ultra-realistic avatar modeling, motion capture, and speech synthesis, enabling rapid, low-cost, and highly interactive 3D digital humans. StreamLake has partnered with major enterprises—including powering Mengniu’s virtual employee “Naisi”—and positions itself as a leading provider of scalable digital human livestream systems, blending cloud infrastructure, AI, and content platform advantages to expand digital human applications across industries.
Beijing Xiliuhu Technology Co., Ltd. (北京溪流湖科技有限公司), established in 2019 and a subsidiary of Kuaishou, is the corporate entity behind the StreamLake brand, which provides enterprise-level audio-video and AI solutions. Led by legal representative Yu Bing, the company is registered in Beijing’s Haidian District with a capital of RMB 10 million and focuses on livestreaming cloud, on-demand cloud, video editing tools, AI algorithms, and digital human technologies. It holds multiple patents, software copyrights, and telecom licenses, and has been involved in projects such as developing the “Naisi” digital human for Mengniu. Functioning as Kuaishou’s vehicle for expanding into B2B services, Xiliuhu delivers full-chain intelligent video and AI platforms to clients across industries.