Quality Control - From Raw Materials to Finished Steel Products, Ensuring Consistent Quality
At Jiangsu Cunrui Metal Products Co., Ltd., quality comes first. From sourcing raw materials to processing and final delivery, we carefully control every step to make sure our steel products meet international standards and perform reliably for customers around the world.
Raw Material Control
Carefully sourced stainless steel, carbon steel, alloy steel, and silicon steel from trusted suppliers, including direct supply from Baosteel, with strict inspection on composition, purity, and mechanical properties. All materials are fully traceable.
Specification & Process Verification
Steel grades, dimensions, and treatments are verified before production to ensure compliance with ASTM, EN, JIS, and GB standards.
Sample Confirmation
Samples are provided for client approval before bulk production, including size, surface finish, and packaging verification.
In-Process Quality Control
Continuous inspection during processing, covering cutting, bending, welding, polishing, and surface treatment to guarantee accuracy and consistency.
Final Inspection
All finished products undergo final checks on appearance, dimensions, quantity, mechanical properties, and packaging before shipment.
Packaging & Shipping
Secure packaging according to export standards to protect steel sheets, pipes, bars, and profiles during international transport.
Delivery & Documentation
On-time delivery with complete material certificates (MTC), export documents, and product information for smooth customs clearance.
After-Sales Quality Assurance
Fast response to any quality concerns, dedicated customer support, and continuous improvement based on client feedback.
Certifications & Compliance
ISO9001 – International quality management system
CE / SGS / TÜV / JIS – Meets global export standards
Material Test Certificates (MTC) – Full traceability of all raw materials
