Xi'an Antai Testing Technology Co., Ltd. was established in 2008, specializing in the maintenance and technical support of various testing and measurement instruments and testing systems. It has the technical ability to perform chip level maintenance on domestic and foreign instruments. At the beginning of its establishment, it closely followed the pulse of instrument technology development and the trend of electronic devices and PCB technology development. After years of accumulation, we have developed a maintenance capability for various types of testing and measuring instruments, mainly consisting of American Tektronix oscilloscopes and Shide Technology (formerly Agilent) RF instruments, covering dozens of imported and domestic brands such as Fluke, Geely, Rohde&Schwarz, and Anritsu.