Quality Management
Bolts hold industry together — and safety with it. YOUNGSAN BOLT has operated a quality management system since its first ISO 9001 certification in 1995.
“Customer trust in quality is our highest value.”
We inspect appearance, dimensions and mechanical properties according to the inspection plan and your requirements, and issue test certificates to the agreed scope. LOT identification is maintained from raw material through to shipment.
- 01
Incoming inspection
Mill certificates cross-checked; dimensions and appearance verified with tag-based control
- 02
In-process inspection
Self-inspection checklists issued and recorded at forging, rolling and heat treatment
- 03
Final inspection
Appearance, dimensions, composition and mechanical tests with test certificates
- 04
Traceability
LOT-number traceability from raw material to shipment
Certificates
We also hold Main-Biz, Materials·Parts·Equipment Specialist designation and patent No. 10-2593713 (bolt assembly machine). English-language ISO 9001 and ISO 14001 certificates are available for download.
