In order to promote the standardized use of mass spectrometry technology in the clinic, so as to better serve the majority of patients, clinical mass spectrometry testing staff and laboratories, Yujing Technology has devised a series of kits that are used in clinical mass spectrometry detection and diagnosis. We have established a complete ISO13485 medical device quality management system, and has a 10,000-level quality management system. And 100,000-level clean production workshop.