Shanghai 2345 Network Holding Group

Shanghai Stonehill Technology Co., Ltd., together with its subsidiaries, provides internet information services in China. It develops software products such as 2345 Website Navigation, Browser, Security Guard, 2345 HaoZip, Image Viewer, Input Method, 2345 Weather Forecast, and Qingniao Wallpaper. The company also offers Nullmax, a platform providing various driver assistance features, and conducts research and product development in areas including brain-computer interface decoding algorithms and systems, diagnosis and assessment of non-organic brain diseases such as epilepsy, depression, and severe insomnia, regulation of the brain's internal state, and commercialization of research results. Additionally, it engages in equity investment and financial product investment, as well as integration, development, consulting, sales, and service of computer software and hardware systems and related systems, and export and import of machinery, equipment, spare parts, and raw materials. The company was formerly known as Shanghai 2345 Network Holding Group Co., Ltd. and changed its name to Shanghai Stonehill Technology Co., Ltd. in August 2023. It was founded in 1989 and is based in Shanghai, China.