Dandong Zhongyi Electronic Ltd., Co. is a private-owned technical enterprise, which combines scientific research,development and business as an integrative unity,becoming the specialized manufacturer to produce the X-ray tubes,HV coils,X-ray NDT equipments,X-ray pipeline crawlers and ultrasonic digital flaw detector in our country.A group of experienced engineers has gathered in this company, doing their best to provide the excellent products and high-quality service to meet with the requirements by customers at home and abroad.The company posses a complete set of manufacturing facilities of the X-ray tube and HV coils.The X-ray NDT equipments by our company are good quality and high reliability as the key parts like X-ray tubes,HV coil come from our own company.