Zheng Junqi, with a master's degree, is a member of the China Electromagnetic Compatibility Standards Committee, a member of the National Radio Interference Committee, and an EMC expert at the Shanghai Electrical Equipment Research Institute. He focuses on EMC standards, EMC design and EMC testing of various types of engineering, medical, automotive, civilian (military) and industrial products; he is mainly engaged in research on product EMC testing methods, EMC design rules, methodologies and EMC diagnostic methods. and training work; published several EMC-related papers, and holds multiple EMC patents; has long-term exchanges, studies, and training with foreign EMC experts, and is a professional EMe training instructor. His main works include: "EMC (Electromagnetic Compatibility) Design and Test Case Analysis" published in December 2006, and "Electronic Product Design EMC Risk Assessment" published in May 2008.