About MED

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  • About Us

    About Us

    Ningbo Zhengyuan Medicinal Materials Co. LTD (formally known as Ningbo Ciliang import and Export Co., Ltd. ) is located in the well renowned city of Cixi made famous for being the starting place of the worlds largest cross—sea bridge amply named the Hangzhou Gulf.
  • R & D Team

    R & D Team

    Relying on the platform of Chinese Academy of Sciences, the company has established a research and development team composed of doctors and masters at home and abroad who have been engaged in relevant professional research for many years.

News and Events

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  • The Science Behind Personalized OSA Treat...

    Personalized OSA treatment addresses the unique needs of each patient, which has become crucial as the global burden of sleep apnea continues to rise. A recent study revealed that warmer nights increase the likelihood of obstructive sleep apnea by 45%, leading to significant health and economic ...
  • Top CPAP Machines for Sleep Apnea Reviewe...

    Sleep apnea affects millions worldwide, with over 8 million CPAP machines sold annually in the US alone. In 2025, the top CPAP Machines for Sleep Apnea include: Best Overall: ResMed AirSense 11 AutoSet Best for New Users: Philips DreamStation 2 Auto CPAP Advanced Best for Travel: ResMed AirMini...