Glass Crystal Door Knobs
HOME > Quality Control

We are well equipped with chemistry analysis laboratory and physical laboratory. With full set facilities, such as salt spray tester, thickness tester, pencil hardness tester,  tension tester, standard daylight tester, plating thickness tester, torque tester etc.
  The above named facilities help fully guarantee our product quality and further gain more cooperation from both domestic and abroad.

 
    
Size inspecting
Strength test
Check the colors
Salt spray test
Endurance test

Call: 86-592-6023157