QUNYINGRELAY.QUNYINGRELAY is the backbone enterprise of electronic components under China Zhenhua Science and Technology, founded in 1966, headquartered in Guiyang High-tech Zone, specializing in the research and development and production of electromagnetic relays, intelligent power distribution systems and other products. The company has six GJB military production lines and CNAS-certified laboratories, and its products are used in aerospace, military and other fields. The company has been awarded the honor of national specialization, speciality and newness of small giants, and has passed the international certifications of IATF16949 and GJB9001C, and is an industry leader in terms of technical strength.