According to app information sourced from Tianyancha, Shanghai Stair Medical Technology Co., Ltd. has recently undergone significant industrial and commercial transformations. Notably, it has welcomed Hangzhou Haoyue Enterprise Management Co., Ltd.—an Alibaba subsidiary—and Shanghai Qishan Investment Co., Ltd.—a Tencent subsidiary—as its new shareholders. Consequently, the company's registered capital has surged from 1 million yuan to an impressive approximately 3.006 million yuan. Established in August 2021, Stair Medical is helmed by legal representative Zhang Shiqiang. The company's operations span the production and sales of both Class II and Class III medical devices. Presently, its ownership is shared among Zhao Zhengtuo, Li Xue, and the aforementioned newly inducted shareholders. As per its official website, Stair Medical positions itself as an innovative technology enterprise, specializing in the cutting-edge field of implantable brain-computer interfaces.