Quality Control
Every triangular steel tube undergoes comprehensive quality inspection before shipment.
Inspection includes:
- Cross Section Inspection
- Outside Dimensions
- Wall Thickness
- Straightness
- Surface Finish
- Mechanical Properties
- Chemical Composition
- Visual Inspection
Material certificates and inspection reports are available upon request.
Why Choose Baokun Steel?
Precision Cold Drawing Technology
Advanced production equipment ensures accurate profile geometry and excellent dimensional consistency.
Custom Engineering Capability
Manufacturing based on customer drawings, samples or technical specifications.
Strict Quality Management
Every production batch undergoes complete inspection before shipment.
Flexible Production
Suitable for both prototype development and large-volume OEM manufacturing.
Rich Export Experience
Serving customers in hydraulic equipment, agricultural machinery, industrial manufacturing and construction industries.








