About Rosen

Rosen (Hubei Province) International Import & Export Co., Ltd

With 17 years of experience, we partner with top steel producers like Baowu Group, HBIS-POSCO, and VAMA to deliver reliable, forward-looking material solutions for automotive, smart home, and high-end manufacturing industries. As a trusted galvanized steel manufacturer, our rock-solid supply chain, large-scale procurement, intelligent logistics, and 24/7 support ensure cost-effective, customized, and timely delivery worldwide. Compliant with international standards and backed by full-cycle technical support, we redefine the value of global material sourcing.

Competitive Advantages

Rosen logo

Global Vision

Nearly 20 years in steel industry, now expanding globally to provide stable galvannealed steel supply.

Supply Chain Strength

Primary agent for state-owned enterprises & joint-venture steel mills; Top galvannealed steel supplier with 150,000 MT annual sales volume.

Core Product Advantages

Exceptional corrosion resistance/Superior coating adhesion/Excellent weldability/Enhanced hardness&wear resistance/Improved heat resistance.

International Certification, Quality Assurance

Compliant with EN 10346 standard, ISO 9001 certification, strict quality control system; ISO14001 certification; IATF16949:2016 certification, etc.

Supply Flexibility

Low MOQ support for SMEs; 30,000+ MT standby inventory; 72-hour rapid delivery for urgent orders.

Contact us for more information about products and applications

Globally Trusted Galvannealed Steel Supplier

Featured Case Studies

Revolution in door industry

Galvannealed solutions empower the manufacturing of high-end security doors

Precise insights

Breakthrough role

Collaborative innovation

Revolutionary achievements

Core value manifested

Services Highlight

We can provide three core customization services for raw material,semi-finished product and finished door.

STEP 1

Requirement Confirmation

STEP 2

Project Design

STEP 3

Sample Verification

STEP 4

Mass Production

STEP 5

After-Sales Follow-up

Raw materials customization service

Raw materials customization service

Three core products: galvannealed(GA)/hot-dip galvanizing (GI)/cold rolling (CR)

Semi-finished products customization service

Semi-finished products customization service

Customized processing services|Professional surface treatment solutions

Finished doors customization service

Finished doors customization service

Customized finished doors service | Professional steel solutions

Raw materials customization service

Raw materials customization service

Three core products: galvannealed(GA)/hot-dip galvanizing (GI)/cold rolling (CR)

Semi-finished products customization service

Semi-finished products customization service

Customized processing services|Professional surface treatment solutions

Finished doors customization service

Finished doors customization service

Customized finished doors service | Professional steel solutions

Our partners

What's In Our News?

What Is Cold Rolled Steel Used For? A Complete Guide

February 27, 2026

What Is Cold Rolled Steel Used For? A Complete Guide

What is cold rolled steel used for? Discover its key applications in automotive, construction, appliances, furniture, and precision manufacturing. Learn the benefits, properties, and industry uses of cold rolled steel in this in-depth guide.

Cold Rolled Steel vs Hot Rolled Steel: Differences, Properties & Applications

February 27, 2026

Cold Rolled Steel vs Hot Rolled Steel: Differences, Properties & Applications

Cold rolled steel vs hot rolled steel—what’s the difference? Learn how processing methods affect strength, surface finish, cost, and applications.

What Is Hot-Dip Galvanizing? Process, Benefits & Applications

January 27, 2026

What Is Hot-Dip Galvanizing? Process, Benefits & Applications

What is hot-dip galvanizing? Learn the HDG process, benefits, lifespan, and applications of hot dipped galvanized steel coils and GI steel products.

What Is Galvanized Steel Coil? Properties, Uses & Benefits

January 27, 2026

What Is Galvanized Steel Coil? Properties, Uses & Benefits

Learn what galvanized steel coil is, how it’s made, its properties, applications, and benefits. A complete guide to galvanized steel coil.

Rust Formation on Alloyed Galvanized Steel Sheets (Electrochemical Corrosion)

November 19, 2025

Rust Formation on Alloyed Galvanized Steel Sheets (Electrochemical Corrosion)

Production Process: The main production process of alloyed galvanized steel sheets (GA sheets) involves the strip steel, after exiting the zinc bath but before the coating solidifies, entering a zinc alloying furnace.

Steel Production Process

October 23, 2025

Steel Production Process

Steel companies, accounting for over 80% of the world's ferrous metallurgical industry capacity, employ the traditional long-process production technology of "sintering – ironmaking – steelmaking – rolling." This technology boasts advantages such as high efficiency and large-scale steel production

Technical terms for steel properties

October 30, 2025

Technical terms for steel properties

Aging – Changes in the physical and mechanical properties of low-carbon steel after a period of storage. Increased temperature accelerates the aging process.

A professional explanation of hot-dip galvanized coils and hot-dip galvanized zinc-iron alloy coils

November 06, 2025

A professional explanation of hot-dip galvanized coils and hot-dip galvanized zinc-iron alloy coils

Hot-dip galvanized coil (pure zinc coating) and hot-dip galvanized zinc-iron alloy coil (alloyed coating) are two key materials widely used in the field of steel corrosion protection. Although both are based on the hot-dip galvanizing process, they differ fundamentally in coating composition, microstructure, performance, and applications.

What is Gray Electrolytic Steel Material?

November 19, 2025

What is Gray Electrolytic Steel Material?

"Gray electrolytic" is a very descriptive colloquial term used in the steel industry to refer to alloyed hot-dip galvanized steel sheets (GA sheets). While not an official academic term, it accurately summarizes the key technological characteristics and appearance of this product.

Welcome to contact us for a free quote/ more information

Please leave your request for any product you wish. We are honored to search it for you in our databases or customize for you

  • Auto Parts
  • Appliance Manufacturing
  • Smart Home
  • New Energy
  • Building Materials
  • Other

Contact Us

Contact Us

Tel: +86-27-86615388

WhatsApp: +86 177 6252 7953

WeChat:Rosen17762527953

Add.: No. 1, 30th Floor, Building 1, Fuxing Huiyu Waterfront International, Sanjiao Road Village, Xujiapeng Street, Wuchang District, Wuhan City, Hubei Province,P.R.China

Copyright @ Rosen (Hubei Province) International Import & Export Co., Ltd. All Rights Reserved | Sitemap | Privacy Policy

qrcode

+ 8617762527953