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Premium Steel Solutions
for Global Industries

LONGHAI STEEL LIMITED is a leading manufacturer and exporter of high-quality steel products including Galvanized Steel, Stainless Steel, Carbon Steel, Tinplate, Steel Pipes, and Aluminum Sheets. Based in Jinan, Shandong, China.

Galvanized Steel Wire Steel Coil Production Steel Manufacturing Facility

About LONGHAI STEEL

A trusted name in the global steel industry, committed to quality, innovation, and customer satisfaction.

Who We Are

LONGHAI STEEL LIMITED is located in Jinan City, Shandong Province, and operates as an integrated enterprise combining production, supply, and sales. After years of development and improvement, we have become a major international supplier of tin plate, chrome plate, and cold-rolled steel products.

We are a comprehensive industrial group engaged in smelting, processing, domestic trade, and import-export operations, serving clients across multiple continents with reliable and high-performance steel solutions.

Manufacturer with full production control
Global export experience
Strict quality assurance protocols
Steel Plant Steel Coil

Steel Company

A leading international supplier of tin plate, chrome plate, and cold-rolled steel products.

Industry Group

Integrated operations from smelting to export, ensuring full supply chain control.

Corporate Philosophy

Integrity management, mutual benefit, and common development.

Enterprise Purpose

High quality, reasonable price, and perfect service to become North China’s elite steel trading enterprise.

Our Product Range

High-performance steel products engineered for durability, precision, and industrial excellence.

Hot Dipped Galvanized Steel Wire

Hot Dipped Galvanized Steel Wire

  • Coating: Hot Dip Galvanizing
  • Diameter: 0.10 ~ 13.0mm
  • Zinc Coating: 10 ~ 920 g/m²
Stainless Steel Sheet

Cold Rolled Stainless Steel Sheet

  • Thickness: 0.12–20mm
  • Surface: 2B, BA, NO.1, NO.4, 4K, 8K
Carbon Steel Coil

Hot Rolled Carbon Steel Coil

  • Thickness: 1.0–20mm
  • Grade: A36, A53, SS400, S275JR, S355JR
ETP Tinplate

ETP Electrolytic Tinplate Sheet

  • Finish: Bright/Stone/Silver
  • Treatment: Passivation + DOS oil
Cold Rolled Steel Coil

Cold Rolled Steel Sheet Coil (CRC)

  • Thickness: 0.12–3mm
  • Grade: SPCC, SPCD, SPCE, DC01–DC05
Galvanized Steel Pipe

Galvanized Steel Square/Rectangle Tube

  • Material: Galvanized/Carbon/Stainless Steel
  • Standard: ASTM A36, EN 10210, S235JR
Black Mild Steel Tube

Black Mild Steel Hot Rolled Tube

  • Standard: ASTM A36, S235JR, Q235
  • Type: Square & Rectangle Profile
Aluminum Sheet

Aluminum Sheet/Coil/Ingot

  • Forms: Sheet, Coil, Ingot
  • Applications: Packaging, Construction, Automotive

Why Choose LONGHAI STEEL?

Quality Assurance

Every product undergoes strict quality control to meet international standards.

Fast Delivery

Stock available: 3–5 days. Production orders: 7–15 working days depending on quantity.

Customization

Custom sizes, finishes, and packaging options available upon request.

Free Samples

We offer free small samples (80x110mm). Sample books (250x350mm) also available.

15+
Years in Industry
50+
Global Markets
100K+
Tons Annual Output
99.8%
Customer Satisfaction

Frequently Asked Questions

Get answers to the most common inquiries about our products and services.

Are you a trading company or manufacturer?

We are a manufacturer specialized in Tinplate. LONGHAI STEEL LIMITED is located in Jinan City, Shandong Province, and operates as an integrated enterprise combining production, supply, and sales.

What is your delivery time?

It takes around 3–5 days for stock items, and 7 to 15 working days for production orders, depending on the quantity and specifications.

Do you provide samples? Are they free?

Yes, we provide small samples for free (80x110mm). Sample books (250x350mm) are also available. Most models are in stock; custom samples take 4–6 days.

What are your payment terms?

For orders ≤5000 USD: 100% advance payment. For orders ≥5000 USD: 30% T/T in advance, balance before shipment.

What are the applications of your products?

Our steel products are widely used in food cans, beverage cans, general cans, twist-off caps, crown caps, EOE, high-grade safety doors, food packaging, printing cans, and industrial containers.

Do you offer product assurance?

Yes, all our products come with quality certifications and inspection reports to ensure compliance with international standards.

Get in Touch

Reach out to us for inquiries, quotes, or sample requests. We're ready to support your business needs.

WhatsApp

+86 15662696110

Visit Official Website to Contact

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