28/05/2026
Quality isn't just paperwork. It's how we've stayed in business
for 46 years.
Visit Booth A3A105 at JIW 2026 (June 3-6) to see our quality Quality isn't a department — it's a mindset.
XULONG SPRING is proud to be:
✅ ISO 9001 certified — quality management system
✅ TS 16949 certified — automotive industry standard
What this means for you:
→ Consistent product quality, every batch
→ Traceable materials from top steel mills (Baosteel, Kobe Steel, etc.)
→ Rigorous testing: fatigue test, hardness test, salt spray test,
metallographic analysis
→ 6 force te
standards up close.