Yue Yifeng signed the share transfer framework agreement to acquire an additional 40% stake in Chengdu Yihuan Medical Technology Co., Ltd from Vanfund Urban Investment and Development Co., Ltd. (SZSE:000638) for CNY 47 million on September 29, 2019. On February 12, 2020, Yue Yifeng signed a share transfer agreement. Under the term, Yue Yifeng will pay CNY 10 million before February 29, 2020, CNY 10 million before March 31, 2020, CNY 10 million before July 31, 2020, CNY 10 million before September 30, 2020 and remaining CNY 7 million before December 1, 2020. Yue Yifeng already own 29.12% stake of Chengdu Yihuan Medical Technology Co., Ltd. Post completion, Vanfund Urban Investment and Development Co., Ltd. will hold no stake in Chengdu Yihuan Medical Technology Co., Ltd. For the period ended December 31, 2018, Chengdu Yihuan Medical Technology Co., Ltd has reported total assets of CNY 55.47 million, total liabilities of CNY 24.59 million, net assets of CNY 30.87 million, revenues of CNY 26.36 million, operating loss of CNY 2.3 million and net loss of CNY 1.38 million. The transaction was approved by the Board of Directors of Vanfund Urban Investment and Development Co., Ltd. on the 6th session of the company's 9th directorate held on September 29, 2019. The shareholder's approval of Vanfund Urban Investment and Development is not required. On March 30, 2021, the 21st session of the Vanfund Urban Investment and Development Co., Ltd. 9th directorate approved the proposal on the signing of the share transfer agreement supplemental agreement unanimously agreed for Yue Yifeng to postpone the payment of the equity transfer payment. As of March 30, 2021, Yue Yifeng already paid CNY 10 million of the consideration.

Yue Yifeng completed the acquisition of an additional 40% stake in Chengdu Yihuan Medical Technology Co., Ltd from Vanfund Urban Investment and Development Co., Ltd. (SZSE:000638) on April 6, 2021. As of August 4, 2021, Yue Yifeng has paid the first installment of CNY 20 million and remaining shall be payable later as agreed between the parties. As of January 5, 2022, Yue Yifeng paid CNY 29 million and remaining CNY 18 million has not yet been paid.