Edan Instruments Inc plans to acquire 6% stake in Hong Kong-based company Rapicura Biotechnologies Inc for $4.4m through its subsidiary.

Based in China, Edan is a developer and distributor of electronic medical equipment.

“The acquired companies will become wholly owned subsidiaries of Sonoscope.”

Ultrasound diagnostic systems developer and manufacturer SonoScape Medical Corp plans to acquire Shanghai Wilson Optoelectronic Instrument Co Ltd and Shanghai Heyi Medical Instrument Co Ltd.

The acquired companies will become wholly owned subsidiaries of Sonoscope.

The acquisition will enable Sonoscope to expand its endoscopy business.

All the companies involved in the acquisition are based in China.