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Qualified Galvanized/Galvalume Steel Coil, PPGI, PPGL and Roofing Sheet Manufacturer & Exporter

With more than 15 years of experience, we specialize in high-quality steel products including galvanized steel coil, galvalume steel coil, color coated steel, corrugated roofing sheets, and carbon steel pipes.

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15+
Years Experience
6
Core Services
12
Factories Built
18
Industries Served
Relong Corp Manufacturing Facility

About Relong Corp

We are a leading manufacturer and exporter of steel coils and sheets with over 15 years of experience in the industry. Our main products include galvanized steel coil/sheet, galvalume steel coil, PPGI, PPGL, and corrugated steel roofing sheets.

As a trusted carbon steel supplier, our products conform to international standards including GB, AISI, ASTM, DIN, EN, and JIS. Our professional service team provides comprehensive support and customized solutions for clients worldwide.

High-Quality Raw Materials
24/7 Customer Support
Third-Party Inspection
Free Samples Available

Our Products

We offer a comprehensive range of high-quality steel products designed for durability, performance, and versatility across multiple industries.

Galvanized Steel Coil

Galvanized Steel Coil

ASTM A792 Azm150 1000-1500mm Full Hard Aluzinc Galvalume Steel Coil with Zinc Aluminum Magnesium coating.

  • Hot dipped galvanization
  • Prime quality GI steel
  • Available in slit coils
Galvalume Steel Coil

Galvalume Steel Coil

High-quality cold rolled prepainted galvalume steel coil with aluminum-zinc alloy coating for superior corrosion resistance.

  • 55% aluminum, 43.4% zinc, 1.6% silicon
  • Anti-finger coating available
  • Strip coil options
PPGI/PPGL Steel Coil

PPGI/PPGL Steel Coil

Color coated prepainted galvanized/galvalume steel coils for roofing sheets with excellent weather resistance.

  • Multiple color options
  • High durability coating
  • Custom thickness available
Corrugated Steel Roofing Sheet

Corrugated Steel Roofing Sheet

Galvanized/galvalume corrugated metal roofing sheets for construction with excellent strength-to-weight ratio.

  • Various wave patterns
  • Color coated options
  • Custom lengths available
Tinplate Coil/Sheet

Tinplate Coil/Sheet

SPTE electrolytic tinplate steel coil/sheet for the canning industry, metal drums, and paint buckets.

  • Food-grade quality
  • Excellent formability
  • Consistent coating weight
Steel Plates And Sheets

Steel Plates And Sheets

Hot rolled/cold rolled carbon steel sheet and plate in various grades including Q235, ASTM A36.

  • Tear drop & chequered options
  • Mild MS carbon steel
  • Galvanized variants
Carbon Steel Pipes

Carbon Steel Pipes

ERW welded MS BI/GI pre-galvanized or hot-dipped carbon steel pipes from our certified manufacturer.

  • Various diameters and schedules
  • Pre-galvanized options
  • High strength-to-weight ratio
Chequered Steel Plate

Chequered Steel Plate

ASTM A36 hot rolled China tear drop mild MS carbon steel galvanized chequered plate/diamond plate.

  • Anti-slip surface
  • Galvanized for corrosion resistance
  • Standard and custom sizes
View All Products

Why Choose Relong Corp

Our commitment to quality, service, and innovation sets us apart as a trusted partner in the steel industry.

Quality Assurance

High-quality raw materials and strict quality control at every production stage ensure consistent product excellence.

24/7 Support

Our customer service team is available around the clock to address your inquiries and provide technical support.

Global Delivery

We serve clients worldwide with efficient logistics and competitive shipping solutions to meet your deadlines.

Certified Standards

Our products meet international standards including GB, AISI, ASTM, DIN, EN, and JIS for carbon steel products.

Custom Solutions

We provide perfect customized integrated solutions through in-depth communication with clients and technical expertise.

Small Orders Accepted

We accommodate small orders and offer free samples to help you evaluate our product quality before bulk purchasing.

Our Application Areas

Our steel products are trusted across diverse industries for their reliability and performance.

Agricultural

Aviation

Train Transport

Port Equipment

Petroleum & Chemical

Solar Energy

Notable Projects

Our products have been trusted in major industrial and infrastructure projects worldwide.

882 Tons DX51D Galvanized Steel Coils

Destination: Indonesia

Supply of high-quality galvanized steel coils meeting DX51D specifications for industrial manufacturing applications.

528 Tons Q235 Carbon Steel Plate

Destination: UAE

Delivery of Q235 carbon steel plates for construction and infrastructure development projects in the United Arab Emirates.

Tseung Kwan O Bridge Project

Location: China Hong Kong

Provision of structural steel components for this major bridge infrastructure project, meeting stringent quality requirements.

Paper Mill - SAPPI Project

Location: South Africa

Supply of specialized steel products for paper mill equipment in collaboration with SAPPI, a global leader in pulp and paper.

Get in Touch

Contact us today to discuss your steel product requirements and receive a personalized quote.

+86-22-68118668
info@relongcorp.com
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