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Powder-coated H Beam VIEW MORE
OUR RANGE INCLUDES
H Beams,Steel Plates, Galvanized Coils, Steel Channels Steel Angle Bars and so on.
Carbon steel Flat Bar
OUR ADVANCED PRODUCTION CAPABILITIES
COUPLED WITH OUR RELENTLESS PURSUIT OF ENGINEERING EXCELLENCE
Enable us to deliver durable, precision-engineered steel components that drive efficiency, sustainability, and success for our esteemed customers across the globe.
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Curved Passivated Steel Angle
BACKED BY A LEGACY OF EXCELLENCE
Our state-of-the-art facilities and skilled workforce ensure efficient production processes
Superior material properties, and exceptional customer satisfaction.
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Provide You with Professional

Special Steel Customization Services 

shubiao
Our company provides OEM services. We process according to drawings, such as drilling, cutting, welding and other technologies.

Certificate

Develop high quality products

Design

Tailored to specific needs

FABRICATION

Capabilities:
  • Galvanized Part
    Galvanized Part
  • Galvanized Part
    Galvanized Part

High Quality Steel

PRODUCT CATEGORY

H Beam
Steel Angle
Steel Channel
Flat Bar
Steel Plate
Steel Plate
Round Tube
Square Tube
Square Steel
Square Steel
Round Steel
Steel Rebar
Steel Structure
Steel Structure
Steel Wire
Steel Grating
Corrugated Steel Sheet
Corrugated Steel Sheet
Prepainted Steel Coil
Prepainted Steel Coil

Innovative Steel Solutions For Every Application

  • Bridges
    Bridges
  • Containers
    Containers
  • Steel Structures
    Steel Structures
  • Construction
    Construction
  • Railways
    Railways
  • Transmission Towers
    Transmission Towers
WHAT MAKES

CHANGZENG ATTRACT CUSTOMERS

Shanghai Changzeng Metal Co., Ltd. was established in 2006, the registered capital of 10.5 million yuan, is a professional steel trade company in Shanghai. The company's main products are steel metal, building materials, steel profiles, plates, pipes and so on. The products are mainly used in construction industry, factory, railway, shipbuilding and so on.
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Annual Sales
Steel Channe Manufacturing
Galvanized Steel Plate
Stainless steel Round Tube
Infrastructural Round Steel

Premium Quality

Our factory is equipped with high-end manufacturing technology and quality control at every step to ensure the quality of products.​​​​​​​
01

One-stop Service

Including manufacturing, producing, processing, transportation and export.
02

Location Advantage

​Located in Shanghai,the largest steel distribution center in east China.60 km from the Shanghai port, very convenient transportation to ensure timely delivery.
03

​Technical Support

We can meet customers’ one-stop purchasing needs, according to customer requirements for product deep processing.
04

GLOBAL PROJECT CASES

H Beam & Steel Plate Application for Shanghai Dishui Lake Cross-Sea Bridge Project
Shanghai Dishui Lake Island Cross-Sea Bridge Project
The main structure utilizes high-strength H-shaped steel and corrugated steel plates, achieving a 50-year service life and level 8 seismic resistance, setting a benchmark for bridge construction in East China.
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Steel Channel & Angle Steel Application in Kunshan Elysée Villa Modular Steel Structure Project
Kunshan Elysée Villa District Modular Steel Structure Project
The project applied a channel steel/angle steel modular solution, shortening the construction period to one-third of the traditional method, and received green building certification and a provincial-level excellent engineering award.
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Steel Channel & Angle Steel Application in Kunshan Elysée Villa Modular Steel Structure Project
Shanghai Chongming CITIC Nursing Home Green Building Project​​​​​​​
A full range of building materials combined with BIM precise proportioning technology achieved zero-error connection between concrete and steel structures, and was awarded as a demonstration project for green buildings in the Yangtze River Delta region.
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DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!
LATEST NEWS & UPDATES
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August 09, 2026
How Do You Choose the Right Flat Bar for Construction Projects?

Master flat bar selection for construction. This guide covers material grades, load calculations, environmental risks, and sizing standards.

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August 10, 2026
What Are the Common Applications of Steel Flat Bars?

Master steel flat bar selection with this guide. Compare hot rolled vs. cold finished, true vs. sheared edges, and key grades for your project.

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August 22, 2025
How To Tell If Metal Is Stainless Steel

Is that metal really stainless steel—or just shiny steel in disguise? Knowing the difference matters more than you think. Rust, strength, and safety all depend on it.In this post, you’ll learn simple ways to identify stainless steel using magnets, appearance, and easy tests at home.

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ONLINE CONTACT

As a steel manufacturer, our company specializes in producing a wide range of high-quality steel products to meet the diverse needs of our customers.
EXQUISITE CRAFTSMANSHIP

MANUFACTURES HIGH-QUALITY PRODUCTS

As a steel manufacturer, our company takes pride in producing high-quality steel products. Let me provide you with an overview of the process of making steel and some special steel processes to enhance your understanding of our manufacturing capabilities.
Shanghai Changzeng Metal Co., Ltd. was established in 2006. It is a professional steel factory in Shanghai. We mainly sell angle steel, H beam, steel channel, round steel, square steel, steel wire, PPGI coil and so on.

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 +86-13816558096 +86-13122570093
 sjw@cz-metal.com
 2F, No.25-1, Lane 39, Shanghai Meikang Road, Baoshan District, Shanghai, China
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