As specialized manufacturer in nondestructive ultrasonic tester, we are in the position to supply quality ultrasonic tester all over world.  Our ultrasonic tester was designed and developed efficiently to detect the default of concrete, timber, rock&stone, ceramic and also evaluate their condition by using ultrapulse pulse to penetrate material under test.  Since introducing our tester in 1996, we have recently released innovative NDT equipment, model No Qust-120, enjoying good repuation from numerous engineers in area of civil& building diagnostic.