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Premium Color Coated & Galvanized Steel Coils

High-quality PPGI, PPGL, GI, and stainless steel coils & sheets from Shandong, China. Trusted by global construction, automotive, and industrial clients.

Who We Are

Shuangjiu (Shandong) Steel Group Co., Ltd. is a large-scale modern iron and steel enterprise integrating sintering, ironmaking, steelmaking, continuous casting, steel rolling, and metal product manufacturing. Based in Jinan City, Shandong Province, China, we specialize in high-quality color coated steel coils, galvanized steel coils, stainless steel products, and structural steel materials.

Our advanced production lines and strict quality control ensure that every product meets international standards including ASTM, JIS, GB, DIN, and EN. We export to over 50 countries, serving construction, automotive, shipbuilding, and industrial sectors.

15+
Years Experience
50+
Countries Served
Galvanized Steel Sheet Hot Rolled Coil Carbon Steel Coil Hollow Section Pipe

Our Premium Products

Explore our wide range of high-quality steel products designed for durability, performance, and aesthetic appeal in construction, industrial, and architectural applications.

PPGI Steel Coil

PPGI Steel Coil

  • Thickness: 0.12–0.80mm
  • Width: 600–1500mm
  • Standard: ASTM, JIS, GB
  • Type: SGCC, CGCC, DX51D
View Details
Carbon Steel Coil

Carbon Steel Coil

  • Grade: Q195, Q235, ASTM A36
  • Thickness: 0.1mm–3mm
  • Width: Up to 2500mm
  • Application: Structural Building
View Details
Galvanized Steel Sheet

Galvanized Steel Sheet

  • Thickness: 0.25mm–1.5mm
  • Zinc Coating: 30–600g/m²
  • Standard: DX51D, SGCH
  • Surface: Regular/Minimized Spangle
View Details
Hot Rolled Coil

Hot Rolled Coil

  • Grade: Q195, Q345, ASTM A36
  • Thickness: 1mm–4mm
  • Width: 2500mm
  • Application: Ship, Automobile
View Details
ASTM A36 Steel Coil

ASTM A36 Steel Coil

  • Thickness: 0.1mm–3mm
  • Standard: ASTM A36, GB, JIS
  • Surface: Blasting, Painting
  • Use: Structural Building
View Details
Hollow Section Pipe

Rectangular Hollow Section

  • Size: 800mm
  • Zinc Coating: Z275–Z600
  • Material: Carbon Steel
  • Standard: API 5L, ASTM A53
View Details
Prepainted Galvanized Coil

Prepainted Galvanized Coil

  • Color: Blue, Green, RAL Custom
  • Coating: PE, PVDF
  • Thickness: 0.12–3mm
  • Use: Roofing, Cladding
View Details
Q235B Carbon Steel

Q235B Carbon Steel Coil

  • Width: 600mm
  • Length: 4m–12m
  • Standard: GB, ASTM
  • Application: Industrial Structures
View Details

Why Choose Us?

We combine advanced manufacturing, strict quality control, and global logistics to deliver reliable steel solutions.

Integrated Production

From ironmaking to finished products — full control over quality and cost.

Global Standards

Products meet ASTM, JIS, GB, DIN, EN, and other international specifications.

Strict Quality Control

Multiple inspections: coil, tube, flat steel, and final packaging checks.

Global Export

Serving clients in over 50 countries with reliable shipping and support.

180+
Products
50+
Countries
15+
Years
10K+
Tons/Month

Frequently Asked Questions

Get answers to common questions about our products and services.

What standards do your steel products meet?

Our products comply with international standards including ASTM, JIS, GB, DIN, EN, and AISI. Certifications are available upon request.

Can you provide custom colors and coatings?

Yes, we offer RAL color matching and various coating options including PE, PVDF, and epoxy for PPGI/PPGL products.

What is your minimum order quantity (MOQ)?

Our standard MOQ is 25 metric tons per size and specification, but we can discuss smaller trial orders for new clients.

How do you ensure product quality?

We conduct coil quality inspection, tube quality checks, flat steel testing, and final packaging verification before shipment.

Get in Touch

For quotes, technical specifications, or partnership opportunities, visit our official website to contact our sales team.

Visit Official Website to Contact

Company: Shuangjiu (Shandong) Steel Group Co., Ltd.

Location: Jinan City, Shandong Province, China

Email: shuangjiu999@shuangjiusteel.com

Work Hours: 9:00–18:00 (Beijing Time)

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