Sihuan Pharmaceutical Holdings Group Ltd.’s subsidiary Beijing Meiyan Kongjian Biology Medicine Co. Ltd. has acquired an 80% equity stake in Shenzhen Yimei Medical Technology Co. The deal is to be completed via a mix of capital and equity transfers. Sihuan Pharmaceutical is interested in Shenzhen Yimei’s two-in-one patented technology of collimated ultrasound and superficial focused ultrasound.