Certified systems, accredited test reports and published ESG data — everything your procurement and customs teams need.
Quality management system certificate covering ductile iron manhole covers, gratings and accessories.
Environmental management system; provincial Green Factory (2024).
Occupational health & safety management; Level-2 Work Safety Standardization.
China Metrology Accreditation laboratory reports for material composition and mechanical properties.
Product carbon footprint and greenhouse-gas verification reports published annually.
Registered capital RMB 200 million; import & export qualification documents provided on request.
Recognized by national certification.
Specialized & sophisticated SME, MIIT.
By the China Casting Association.
4th cohort, casting industry.
Scan copies of all certificates are provided with quotations and shipment documents. Factory audit — on-site or video — is welcome at any time.
We match every cover to its installed location. Tell us where the cover will sit — we recommend the class.
| Class | Test Load | Typical Installation |
|---|---|---|
| A15 | 15 kN | Pedestrian-only areas, landscaped zones |
| B125 | 125 kN | Footways, car parks, pedestrianized streets |
| C250 | 250 kN | Kerbside gullies of roads, roadside channels |
| D400 | 400 kN | Carriageways, main roads, hard shoulders |
| E600 | 600 kN | Docks, industrial yards, aircraft aprons |
| F900 | 900 kN | Heavy aircraft pavements, ports |
Certificate scans, material certificates and load-test reports attached to every offer.