OEM & compliance

A supplier file built for review before sampling.

For U.S. OEM and purchasing teams, NEDONG organizes factory proof, test references and certification assets around the actual sourcing workflow.

Requirement intake

Wheel size, load, speed, surface, target market, compliance needs and drawing files.

Sample review

Prototype path, fit check, endurance reference, packaging and repeatability confirmation.

Audit package

ISO certificates, material notes, test reports, patent references and factory photos.

Factory and quality visibility.

Supplier review depends on clear process evidence, documented quality systems and responsive OEM communication.

NEDONG factory aerial view
NEDONG sample room

Certificates and document set.

ISO 9001 certificate

ISO 9001

Quality management system certificate for supplier review.

ISO 14001 certificate

ISO 14001

Environmental management system certificate for sourcing files.

ISO 45001 certificate

ISO 45001

Occupational health and safety management certificate.