Appreciated Herrenknecht Guangzhou had already purchased SU-400H Dynasonic hardness tester
Thanks a lot the international famous manufacturer of tunneling machine – The China Subsidiary of Germany Herrenknecht group had already purchased the SU-400 dynasonic hardness tester made by Sinowon group in year 2016, it has been applied to test the hardness of parts for tunneling machine in Guangzhou, China.