The zk-U81 concrete ultrasonic testing instrument can manually adjust the sound t...
Zk-U91 concrete ultrasonic testing instrument for concrete strength testing, inte...
HT-22 concrete rebound tester is used for non-destructive testing of compressive ...
ZK-225J/JC digital rebound tester is used for non-destructive testing of compress...
ZK-225K digital rebound tester supports remote upgrade, curve synchronization ind...
When the ZK-225KC digital rebound tester is tested under special working conditio...
HT-225T integrated digital rebound tester is used for non-destructive testing of ...
ZK-450A high-strength concrete rebound tester is used for structural engineering ...
ZK-450J/550J digital high-strength rebound tester is used for the compressive str...









