According to the annual average growth rate of ISO and IEC standards, by the end of 2005, the total number of ISO and IEC standards is expected to reach 21,000.

The calibration of hearing equipment is a basic technology that audiologists must master.

Today (March 7, 2019) morning, the 36th Western International Medical Equipment Exhibition was grandly opened in Xi'an Qujiang International Convention and Exhibition Center. Nearly 1,000 medical device manufacturers from home and abroad brought tens of thousands of medical products to the show.