Quality assurance and certificates

What we test on every coil, the reports we keep, and the certificates you can verify in public registers.

Quality Assurance

26 inspection steps —
100% passing rate.

Hydraulic burst testers, universal testing machines, melt flow indexers, Vicat softening testers, 5000-cycle hot/cold water testers — plus our own online weld-seam and bore inspectors. Every coil passes the full line before shipment.

Hydraulic burst test
Universal mechanical test
Melt flow index
Vicat softening point
5000 hot/cold water cycles
Online weld-seam inspection
Online bore inspection
Per-coil final re-check

ISO9001ISO14001ISO45001SKZCEEAC

20production lines

26inspection steps

100%passing rate

50years warranty

Factory & warehouse

Production line

Finished goods warehouse

QC laboratory

Certificates

Product quality and management systems certified by international authorities.

ISO 9001

Quality Management System

ISO 14001

Environmental Management System

ISO 45001

Occupational Health & Safety

SKZGerman quality certificationCEEU safety conformityEACEAEU conformity

Wholesale, OEM private-label and distribution — leave your requirement and get a quote within 24 hours.

Email sanlipipe@163.com · WhatsApp +86 150 6880 2744 · video factory audit available

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