WhatsApp: +86-15618629313 Email: sjw@cz-metal.com
English
banner1 VIEW MORE
OUR RANGE INCLUDES
H Beams,Steel Plates, Galvanized Coils,Steel Channels Steel Angle Bars and so on.
手机端修改1
手机端修改2
PROVIDE YOU WITH PROFESSIONAL
SPECIAL STEEL CUSTOMIZATION SERVICES
shubiao
Our company excels in OEM services, offering several advantages for steel producers seeking outsourcing partnerships. One of our key strengths lies in our product customization ability.

R&D

Develop steel products

R&D

Develop steel products

R&D

Develop steel products
PROVIDE YOU WITH PROFESSIONAL
SPECIAL STEEL CUSTOMIZATION SERVICES​​​​​​​
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
READ MORE
H Beam
Steel Angle
Round Tube
Steel Grating
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.
20000m2
Indoor Storage
20000tons
Spot Inventory
100000tons
Annual Sales
ABOUT-pic1
ABOUT-pic2
ABOUT-pic3
ABOUT-pic4
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
PROVIDE YOU WITH PROFESSIONAL
SPECIAL STEEL CUSTOMIZATION SERVICES

    No products found

PRODUCT CATEGORY
SHANGHAI CHANGZENG METAL CO.,LTD.
It was established in 2006, 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 company is committed to good faith management, product quality, business throughout the country and even the world. Products are exported to Southeast Asia, Africa, Europe, America, South America and other countries.
Major product standard involves European standard, American standard, British standard, Japanese standard, National standard and so on.
 We can meet customers’ one-stop purchasing needs, according to customer requirements for product opening, strip, cutting, welding, bending, punching, shot blasting, paiting, hot dip galvanized and other deep processing.
20000m2
Indoor Storage
20000tons
Spot Inventory
100000tons
Annual Sales
company
Featured Products
Learn More
2 Inch 3x3 Galvanized Rectangular Square Pipes/pipe Steel Galvanized /1mm 1.8mm Thickness Hot Dipped Galvanized Square Tube
2 Inch 3x3 Galvanized Rectangular Square Pipes/pipe Steel Galvanized /1mm 1.8mm Thickness Hot Dipped Galvanized Square Tube

Learn More

Bar Professional Manufacturer Years of Industry Experience Galvanized Steel Stainless Steel Non-alloy Modern Grating Customized
Bar Professional Manufacturer Years of Industry Experience Galvanized Steel Stainless Steel Non-alloy Modern Grating Customized

Learn More

c8x11.5 3 4 inch c channel price z perlin h section steel purlin steel u beam channel sizes ambika c channel steel
c8x11.5 3 4 inch c channel price z perlin h section steel purlin steel u beam channel sizes ambika c channel steel

Learn More

Galvanized Heavy Duty Slip Resistant Industrial Non-Slip Steel Grating
Galvanized Heavy Duty Slip Resistant Industrial Non-Slip Steel Grating

Learn More

EN 10219 Square Rectangular Steel Bar
EN 10219 Square Rectangular Steel Bar

Learn More

ASTM A992 Steel Wide Flange H Beam I Beams
ASTM A992 Steel Wide Flange H Beam I Beams

Learn More

steel channel with c sizes
steel channel with c sizes

Learn More

U and C Shape Steel Profile
U and C Shape Steel Profile

Learn More

Carbon I/H Beam IPE with Fast Delivery
Carbon I/H Beam IPE with Fast Delivery

Learn More

Round Stainless Steel Pipe
Round Stainless Steel Pipe

Learn More

Galvanized U Channel Purlin
Galvanized U Channel Purlin

Learn More

Universal H/I Beam for Building Construction
Universal H/I Beam for Building Construction

Learn More

Hot rolled structural H section beam column
Hot rolled structural H section beam column

Learn More

Q345B Q235 Structural Carbon H Beams Steel Profile
Q345B Q235 Structural Carbon H Beams Steel Profile

Learn More

4140 Steel Round Bar/Rod
4140 Steel Round Bar/Rod

Learn More

S235 S275 S355 Welding H Shape Building Steel Structure Steel Beam H Iron Section Steel
S235 S275 S355 Welding H Shape Building Steel Structure Steel Beam H Iron Section Steel

Learn More

Hot Rolled Equal Or Unequal Steel Angles
Hot Rolled Equal Or Unequal Steel Angles

Learn More

3003 3600 5052 5083 5086 6061 1/2mm Round Pipe
3003 3600 5052 5083 5086 6061 1/2mm Round Pipe

Learn More

Steel Structure Frame
Steel Structure Frame

Learn More

Cheap Prefabricated Steel Structure Warehouse
Cheap Prefabricated Steel Structure Warehouse

Learn More

APPLICATION
  • Steel structure
  • Containers
  • Bridge
  • Construction
  • High-voltage Transmission Towers
  • Railway
CASES
文章图2.jpg
Building Bridges and Tracks: Applications of H Beams in Railway Infrastructure
KASSEM POWER STATION IN PAKISTAN.jpg
KASSEM POWER STATION IN PAKISTAN
NEWS
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.

2025-08-22
1760159861.png
2025-08-22
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.

READ MORE
How To Tell If Aluminum Is Anodized

Is that sleek aluminum part truly anodized—or just painted? It’s not always easy to tell. Anodized aluminum has a protective finish that boosts durability and corrosion resistance.

2025-08-27
1760155170_484_484.png
2025-08-27
How To Tell If Aluminum Is Anodized

Is that sleek aluminum part truly anodized—or just painted? It’s not always easy to tell. Anodized aluminum has a protective finish that boosts durability and corrosion resistance.

READ MORE
How to connect lipped channels c purlins together?

2026-04-15
C Section Purlins.png
2026-04-15
How to connect lipped channels c purlins together?

READ MORE
What Are C Purlins? Functions, Uses, and Installation Basics

2026-04-10
C Section Purlins.png
2026-04-10
What Are C Purlins? Functions, Uses, and Installation Basics

READ MORE
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.

Subscribe

Free free to contact us.

Quick Links

Contact us

 +86-15618629313
 sjw@cz-metal.com
 2F, No.25-1, Lane 39, Shanghai Meikang Road, Baoshan District, Shanghai, China
Leave a Message
Copyright © 2026 Shanghai Changzeng Metal Co., Ltd. All Rights Reserved | Privacy Policy