This tester is for testing the road surface used coarse aggregate, like macadam, gravel, etc. impact value experiment, make sure aggregate’s ability to resist instant impact or shockresistance.

   Xi’an Zealchon Electronic Technology Co.,Ltd adhering to the "professional,  honest, and providing the best service" business philosophy, with the guidance of professors and researchers from the Well-known institutions in China,      developed a series of leading domestic and international standards, Technology class detecting instrument for asphalt and asphalt mixture, Road, bridge deck, geotechnical, structural, etc and OEM designed 12 series more than 100 kinds of laser productswith high power and long service time.