Premium PPGI & Galvanized Steel Solutions for Global Construction

High-quality color-coated, galvanized, and galvalume steel sheets & coils manufactured by Shandong Sino Building Material Group Co., Ltd — trusted by builders and contractors worldwide.

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ISO-Certified Quality

Rigorous testing and international standards compliance ensure durability and performance.

Global Exporter

Serving clients in Europe, Africa, South America, and Southeast Asia with reliable delivery.

Advanced Production

State-of-the-art coating lines and precision rolling technology for consistent quality.

About Shandong Sino Building Material Group

Shandong Sino Building Material Group Co., Ltd is a leading steel holding company and a key foreign trade window for China's steel industry. We specialize in the export of high-performance steel products including galvanized steel coils, color-coated sheets, corrugated roofing panels, and galvalume materials.

With years of experience and a commitment to innovation, we have built strong partnerships with domestic and international companies based on equality, mutual benefit, and long-term cooperation.

Specialized in PPGI, PPGL, GI, and GL steel products
Direct factory pricing and bulk order support
Comprehensive quality assurance and certifications
Fast global shipping and logistics coordination

Our Products

Explore our wide range of high-quality steel products designed for construction, industrial, and architectural applications.

Dx51d Z275 SGCC Galvanized Steel Coil

600-1500mm width, hot-dipped galvanized steel coil with excellent corrosion resistance.

Standard: Dx51d, Z275, SGCC

Thickness: 0.15-3.0mm

Width: 600-1500mm

PPGI/PPGL Prepainted Galvanized Steel Coil

Color-coated steel coil with durable polyester or PVDF finish for roofing and cladding.

Coating: Polyester, PVDF, SMP

Colors: RAL, custom options

Base Metal: GI, GL, Galvalume

Prepainted Corrugated Roofing Sheet

Zinc-aluminum corrugated sheet with anti-fingerprint coating for long-lasting performance.

Profile: Corrugated, trapezoidal

Thickness: 0.18-1.0mm

Coating: 20-25μm

Color Coated Roofing Sheets

High-strength metal roofing sheets with vibrant, fade-resistant color coating.

Material: SGCC, SPCC, SECC

Finish: Matt, glossy, textured

Application: Industrial, residential, commercial

Galvalume Steel Coil (G550)

Aluminum-zinc alloy coated steel coil with superior heat and corrosion resistance.

Coating: 55% Al-Zn

Grade: G550, S550GD

Zinc Coating: Z275

GI Corrugated Zinc Roofing Sheet

4x8 ft galvanized iron roofing sheet ideal for fast and economical construction.

Size: 4'x8', custom lengths

Thickness: 0.15-0.6mm

Standard: DX51D, Z100, Z275

Cold Rolled Steel Coil (SPCC)

High-precision cold-rolled carbon steel coil for industrial and automotive applications.

Grade: SPCC, SECC, DX510, DX52D

Thickness: 0.1-3.0mm

Width: 600-1500mm

Hot Rolled Carbon Steel Coil

Durable hot-rolled steel coil for structural and heavy-duty applications.

Standard: Q235, Q345

Thickness: 1.5-12mm

Width: 600-1800mm

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Why Choose Our Steel Products?

Engineered for performance, durability, and value.

Superior Corrosion Resistance

Zinc and aluminum-zinc coatings provide long-term protection in harsh environments.

Wide Color Range

Custom RAL colors and finishes to match architectural and branding requirements.

Fast Global Delivery

Efficient logistics network ensures timely delivery to ports worldwide.

Competitive Factory Pricing

Direct-from-factory rates with volume discounts for bulk orders.

Our Projects

Trusted in industrial, commercial, and residential construction worldwide.

Industrial Warehouse Roofing

Galvalume roofing sheets used in large-scale storage facilities.

Commercial Office Cladding

Color-coated steel panels for modern façade systems.

Residential Roofing

Corrugated PPGI sheets for durable and aesthetic homes.

Frequently Asked Questions

What is PPGI steel?

PPGI stands for Pre-Painted Galvanized Iron. It is a steel sheet coated with a layer of zinc and then painted with an organic coating for enhanced durability and aesthetics.

What are the advantages of galvalume over galvanized steel?

Galvalume (55% aluminum-zinc) offers superior corrosion resistance, especially in high-heat and coastal environments, compared to traditional galvanized steel.

Can I get custom colors and sizes?

Yes, we offer custom RAL colors, thicknesses, widths, and lengths based on your project requirements.

What certifications do you provide?

We provide Certificate of Origin, Material Test Reports (MTR), and can comply with ISO and other international standards upon request.

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