Qingdao E-jiaxun Optical & Electrical info company(The 41st Institute of CETC) is the only professional Electronic Measurement Instrument Institute in China. We research and produce electronic measurement instruments and automatic testing systems in microwave, millimeter wave, optical electricity, and communications. We also provide measuring technique for the research and manufacturing of electronic devices and systems. Our company boasts a professional team, advanced design/measuring/testing/manufacturing equipment and a mature quality control system.

We are located in Qing Dao city, covering 110,000 square meters. We have over 1000 employees and 620 thereinto are specialist. More than 350 people have achieved a middling or high level engineering certificate. Approved by the Chinese government, our company has set up the "Science and Technology on Electronic Test and Measurement Laboratory", "Photoelectric Computing Station", "National Quality Control Center for Electronic Instruments" and "National Import/Export Electronics Lab". We have been awarded honors such as "Company advanced in Research and Production".