Dajing is the first private company who owns EMC testing lab in Hunan, and the testing equipment is produced by German R & S, American CI, and domestic famous manufacturers. It has built a "966" electromagnetic compatibility 3m anechoic chamber, reliability lab, materials lab, and functions lab, simulation lab, safety lab and professional lab such as HALT, Dajing can also provide customers with one-stop EMC testing, rectification and product certification one-stop service, covering CCC, CE, CB and other domestic and international standard testing，involves medical electrical appliances, household appliances, military products, information technology equipment, audio and video equipment and other fields, and effectively shortens the certification cycle 30-60 days of electronic products in southern Hunan.