Hangzhou Lansong Vision Technology Co., Ltd. (formerly Hangzhou Lansong Technology Co., Ltd., established in 2014) is located in Room A1318, Building 3, No. 88 Longyuan Road, Cangqian Street, Yuhang District, Hangzhou (Chuangxin Times Square), specializing in software development Serve.       Since its establishment, the company has been focusing on the research, development and application of image and video segmentation technology. It has independently developed algorithm SDKs including green screen matting, AI portrait matting, and layer containers.       Lansong Algorithm SDK is mainly used in the development of application software such as video conferencing systems, Android hardware live broadcast equipment, mobile live broadcast software, and entertainment short videos.