1. Different inspection and testing scope: Xinjiang Zhongyu has a wide range of inspection and testing, including food, environment, engineering, metrology, medicine and motor vehicles. And the national inspection mainly detects jade.
2. Different authority: Xinjiang Zhongyu cooperates with many well-known laboratories at home and abroad to ensure the authority and credibility of the test results. Although the state inspection has certain authority, it is not as authoritative as Xinjiang Zhongyu.