Consistent withGB/ T9138-1988 standards and JJG817-93 statutes and JGJ/ T23-2001 technical regulations. HT-225 Concrete Test Hammer generally applied to test building components, bridges and all....
We are the best test hammer ( rebound hammer) factory in China, located in Tianjin nankai industrial zone, our factory established in 1995, specialized in Non-Destructive Testing instruments, our....