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Qingdao Sino Steel Co., Ltd is a leading manufacturer and exporter of high-quality galvanized, prepainted, and corrugated steel products. Trusted in over 200 countries with 900,000 tons annual output.

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200+ Countries

Serving clients across five continents with reliable delivery and support

900K Tons/Year

Annual production capacity ensuring consistent supply and scalability

$450M Sales

Annual turnover reflecting trust, quality, and global demand

Who We Are

Qingdao Sino Steel Co., Ltd is a large steel holding company and a key foreign trade window for China's steel industry. We have established extensive and friendly cooperation with domestic and overseas enterprises based on equality, mutual benefit, and long-term development.

Specializing in the production and export of galvanized steel coils (GI), prepainted galvanized steel coils (PPGI), corrugated galvanized sheets, and tinplate coils, we also act as an agent for major Chinese steel mills, ensuring competitive pricing and reliable supply chains.

High Quality

Advanced tech and systematic testing ensure product excellence

Inexpensive

Cost-effective solutions via optimized production systems

Sincerity

Heartfelt service with a dedicated, responsive team

Our Premium Products

Engineered for durability, performance, and aesthetic appeal across industrial, commercial, and residential applications.

Galvanized Steel Coil

Zinc coating: 40–275 g/m² | Thickness: 0.12–4.0 mm | Standards: AISI, ASTM, GB, JIS

• Material: SGCC, DX51D, S350GD
• Surface: Zero, Minimum, Big Spangle
• Hardness: Soft to Full Hard

Galvalume Steel Coil

Al-Zn alloy coated | Thickness: 0.12–4.0 mm | High corrosion resistance

• Material: SGCC, DX51D, S350GD
• Standards: ASTM, GB, JIS
• Ideal for roofing and cladding

Prepainted Galvanized Steel Coil (PPGI)

Color-coated | High durability | Custom colors and finishes

• Thickness: 0.12–4.0 mm
• Zinc coating: 40–275 g/m²
• Used in roofing, siding, appliances

Galvanized Corrugated Roofing Sheet

Thickness: 0.14–0.45 mm | Cold-formed | Lightweight & strong

• Ideal for industrial buildings and warehouses
• Excellent weather and fire resistance
• Easy installation and maintenance-free

Color Coated Corrugated Sheet

Prepainted | Decorative & functional | UV-resistant coating

• Thickness: 0.14–0.45 mm
• Wide range of RAL colors
• Suitable for exterior cladding

Stone Coated Steel Roofing Tile

Aesthetic appeal | Long lifespan | Weather & impact resistant

• Mimics traditional tile or slate
• Lightweight, fireproof, and recyclable
• Ideal for residential and commercial roofs

Hot Rolled Galvanized Steel Coil

High strength | Durable | Suitable for structural applications

• Thickness: 0.12–4.0 mm
• Zinc coating: 40–275 g/m²
• Standards: ASTM, GB, JIS

Tinplate Coil

Tin-coated steel | Corrosion resistant | Packaging & container use

• High formability and weldability
• Used in food and beverage cans
• Excellent surface finish

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Why Choose Us?

We combine advanced manufacturing, global reach, and customer-first values to deliver unmatched steel solutions.

Quality Guaranteed

Advanced technology and systematic testing ensure every product meets international standards.

Global Delivery

Reliable logistics network serving over 200 countries with on-time delivery assurance.

Cost Efficiency

Optimized production reduces costs without compromising quality or performance.

24/7 Support

Dedicated team ready to assist with inquiries, technical specs, and order tracking.

By the Numbers

Our scale and performance reflect our commitment to excellence.

$450M

Annual Sales

Revenue generated through trusted partnerships worldwide

900K

Tons/Year Output

Massive production capacity ensuring consistent supply

200+

Countries Served

Global footprint with long-term client relationships

Trusted by Global Clients

"With more than 5 years of good business relationship with Mr. Mohamed from Dubai, I believe our cooperation will grow even smoother. You win, I win — that's my motto."

— Elina

"Glad to see you at Canton Fair, and happy to visit your mills. You're like a star — the price and goods are both great. Thanks very much!"

— Mr. Smith, Thailand

"We signed the contract at the Canton Fair. I was satisfied with the professionalism, service, and favorable price. I trust this is the beginning of a long-lasting business relationship."

— Customer from Djibouti

Frequently Asked Questions

What standards do your products meet?

Our products comply with international standards including AISI, ASTM, BS, DIN, GB, and JIS.

Can I request custom sizes or colors?

Yes, we offer custom dimensions, thicknesses, and RAL color options for PPGI and roofing sheets.

What is the minimum order quantity (MOQ)?

MOQ varies by product; please contact us for specific details based on your requirements.

How do you ensure product quality?

We use advanced production lines and systematic testing equipment to inspect every batch for consistency and compliance.

Do you offer OEM services?

Yes, we support OEM branding and packaging for bulk orders.

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