Owned models: XXQ-3005 radiation flaw detector, ray black and white density meter, Nantong AUO 5100 ultrasonic flaw detector, CYE-3A magnetic particle flaw detector. Owned models:TT220 coating thickness gauge, UT-101H ultrasonic thickness gauge, optical instrument infrared thermometer, SP10a ferrite content detector, TH140 Leeb hardness tester and other measuring equipment.