As of March 16, 2023, Summit Healthcare Acquisition Corp. was acquired by Yisheng Biopharma Co., Ltd., in a reverse merger transaction. Summit Healthcare Acquisition Corp. does not have significant operations. It intends to effect a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses or entities. The company was incorporated in 2020 and is based in Central, Hong Kong.