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Our staff will contact you within 12 hours, You can also contact us through the following ways:
Contact US WhatsApp: +8618766656705
- Email: [email protected]
- Tel: +8618766656705
- Web: https://www.toponechain.com/
Every production batch passes dimensional inspection, proof load testing, and breaking force verification before shipment.
Test procedures follow international chain and lifting standards including EN818-2, ASTM80, DIN766, and DIN22252 requirements.
Material traceability records are maintained from raw steel procurement to finished product packaging.
Third-party inspection and certification support are available upon customer request.
Test certificates, mill certificates, and load reports can be supplied together with shipment documentation.
