About Shangyi New Materials

Shangyi New Materials has specialized in coated steel plates for more than a decade, located in the core industrial cluster of Shandong Province. As an original manufacturer integrating R&D, production, export and custom service, we have built a full industrial chain from raw material development to finished product delivery. With solid industry experience and mature manufacturing system, we supply high-performance, high-standard coated steel products and total solutions for global clients.

Driven by technological innovation and strict quality control, Shangyi New Materials serves customers in construction, home appliance, automotive and other industries with competitive coated steel solutions. We look forward to creating value together with you

Technology and Quality Control (Part 1)

Technology and Quality Control (Part 1)

Full‑Process Inspection


We implement stringent four‑level inspection standards: incoming raw materials pass initial batch inspection, regular spot‑checks are performed during production, 100% full inspection is carried out for finished goods, and final re‑inspection is completed before shipment. Four‑tier quality filters guarantee physical performance and surface appearance of every steel coil meet top‑tier industry benchmarks.

Professional Testing


We have invested in a modern R&D laboratory equipped with high‑precision testing instruments. Multiple extreme tests including salt‑spray corrosion resistance, UV aging resistance, coating adhesion and temperature‑cycle tolerance are conducted for diverse application scenarios. Data‑driven scientific validation simulates full‑service‑life operating environments to ensure stable performance under harsh working conditions.

Compliance Certification


Our products fully comply with EU RoHS, REACH and other international environmental directives & industry standards. Custom‑tailored compliance support is available. We can provide authoritative third‑party test reports, detailed material analysis sheets and factory certificates issued by client‑specified laboratories, delivering solid technical & legal backing for global distribution and compliant usage.

Technology and Quality Control (Part 2)

Quality Inspection


Substrate flaw detection, visual inspection for paint‑film appearance, color‑card color comparison, surface defect screening, sampling inspection for dimension & thickness. Defective products are isolated and reworked to strictly control outgoing quality.

Performance Test Items


Complete physical‑chemical tests including film thickness, T‑bend, impact resistance, adhesion, salt‑spray resistance, weathering aging, hardness, color difference & gloss, solvent resistance, with formal test reports issued.

Packaging Process


Inner waterproof film, intermediate kraft‑paper protection, outer steel corner guards and steel band strapping. Moisture‑proof, scratch‑resistant & anti‑collision packaging, suitable for long‑distance sea and land transportation.

Technology and Quality Control (Part 2)
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