Quality You Can Trust
For our company, quality is a fundamental choice. From raw material sourcing to finished product delivery, our best-in-class operations control every aspect of the manufacturing process, so that we can ensure that product specifications are in line with customer requirements. This is how we guarantee continuity, traceability, customization, and prompt delivery.
● Sourcing high-quality raw material from leading mills
● State-of-the-art production and testing equipment
● Over 20+ quality control process with 50+ parameters
● Mill testing and documentation
● Full product traceability
Quality Assurance
|
Production Cycle |
Quality Control |
|
Raw material incoming inspection |
Chemical composition, metallographic structure, surface quality, geometric dimensioning |
|
Cutting |
Cutting length and surface |
|
Piercing |
Inner and outer surface, geometric dimensioning |
|
Pickling, Phosphation |
Weight, inner and outer surface, solution assay |
|
Cold drawing/ Cold rolling |
Incoming quality, inner and outer surface, geometric dimensioning |
|
Straightening |
Straightness |
|
Heat treatment |
Mechanical properties |
|
Non-destructive inspection |
Inner and outer surface |
|
Skiving & Roller Burnishing |
Inner diameter roughness |
|
Finished product inspection |
Inner and outer surface, geometric dimensioning, mechanical properties, metallographic structure |
|
Ex-factory Inspection |
Packing, marking, specification, weight, label, documentation, etc. |
Testing and Inspection Items
Chemical composition
Inner and outer surface quality
Inner and outer diameter
Concentricity / Wall thickness variation
Straightness
Mechanical properties
Fattening test
Hoop stress measurement
Drift expanding test
Surface roughness
Metallographic structure
Non-destructive testing
Other tests as per customer request