Our strict Quality control system
Quality control process
Inspection Items
| Raw material inspection | Chemical composition, metalographic struture, surface quality, geometric dimensioning (spot check according to heat No.and production batch) |
| Pickling inspection | Raw material quality, process quality, solution assay |
| First article inspection | Internal and external surface, geometric dimensioning(inspect 100%) |
| Cold drawing inspection | Material quality, internal and external surface, geometric |
| Tour inspection | Internal and external surface, geometric dimensioning process quality |
| SRB self-inspection | Internal and external surface, geometric dimensioning(inspect 100%) |
| Finished products inspection | Mechanical properties, flaw detection(ultrasonic, eddy current), internal and external surface(100%), geomensioning(100%) |
| EX factory inspection | Package, specification, weight |
Testing Equipments
We know product quality is the fundamental of company survival, so we have our own quality control center. Our center has all kinds of inspection euqipment,like teat merchanica, chamical and hardness.
