Quality Control Processes on Site
● Incoming inspection
● First parts inspection in process
● Self-inspection by operator
● Patrol by inspection in process
● 100% final inspection on line
● Out-going inspection
Key Points of Quality Control
● Tube material processing: concentricity, smoothness
● Welding: welding dimension, strength performance
● Safety performance: assembly pull-out force, damping characteristics, temperature characteristic, life test
● Paint control
Major Testing Equipment
● Universal material testing machine
● Spring testing machine
● Rockwell hardness tester
● Roughness tester
● Metallurgical microscope
● Pendulum impact tester
● High and low-temperature tester
● Dual-acting durability testing Machine
● Bursting testing machine
● Salt spray tester
