About MESCO

Dalian Mesco Steel Co., Ltd. was founded in 2007 and is located in Dalian Economic and Technological Development Zone. It has grown into one of the largest private steel exporters in Northeast China. After years of development, the company has become a benchmark enterprise in China’s high-end metal materials sector. Its products are widely exported to 100+ countries and regions, serving more than 700 clients—including 9 Fortune Global 500 companies—under the business philosophy of “Integrity, Professionalism, Efficiency, and Innovation.”
Mesco Steel owns six subsidiaries covering the fields of steel, UV coatings, robotic automation, modular housing, and construction machinery.
We provide customized design consulting, rapid sample development, on-time delivery, and worry-free after-sales service. Our main products include: aluminized silicon steel coils, aluminized silicon steel tubes, Zn-Al-Mg coated steel sheets, prepainted steel sheets, radiant tubes, industrial pure iron, and metal culverts. With the most professional attitude, we are committed to delivering high-standard, high-quality, and one-stop steel solutions for our customers.
Are You Looking for a Reliable and Trustworthy Steel Supply Chain Partner?

In global sourcing, challenges such as complex specification matching, inconsistent product quality, unpredictable lead times, and fluctuating costs often become critical obstacles to project success. Choosing a truly professional supplier is not simply about completing a purchase—it is about building long-term certainty and stability for your business.

MESCO STEEL is the answer.

Since its establishment in 2007, MESCO STEEL has been dedicated to providing steel products and metal material solutions to customers worldwide. We offer not only stable and reliable steel products but also uphold our core values of Integrity, Professionalism, Efficiency, and Innovation throughout every stage of material selection, processing, and delivery.

With nearly 20 years of experience serving the global market, MESCO STEEL has successfully exported steel products to more than 100 countries and regions, serving over 700 customers worldwide. Our success is built on the certainty, flexibility, and expertise we deliver to every client.

Large Inventory, Fast Delivery

We maintain tens of thousands of tons of stock for standard specifications, enabling delivery within 3–7 working days and helping keep your projects on schedule.

Scientifically Verified Quality

From chemical composition to mechanical properties, key performance indicators are tested and verified in laboratories, providing reliable data support and minimizing quality risks.

Professional Optimization, Better Value

Leveraging our deep understanding of the global steel market and strong procurement capabilities, we help customers optimize costs, improve inventory management, and maximize capital efficiency.

End-to-End Control, Reliable Delivery

From quotation and production to international logistics and customs clearance, MESCO manages every critical step to ensure stable lead times and complete process transparency.

Innovation-Driven Material Solutions

MESCO continuously invests in new products, new technologies, and new materials, expanding application possibilities and helping customers gain a competitive advantage through forward-looking material solutions.

Choosing MESCO means gaining an experienced global steel supply chain team as an extension of your business. We are committed to making procurement simpler, more efficient, and more reliable, allowing you to focus on the long-term growth of your core business.

Contact us today and discover a smarter steel solution for your next project.
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World-Class Team
Graduates from top universities worldwide
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Advanced R&D
Self-developed
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Innovation Focus
Multiple innovative technologies

Our Products

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Welded Pipe

Welded Pipe

Model: API 5L / Q195 / Q345
Parameters: Product: Welded Steel Pipe
Type: ERW / SSAW / LSAW
Standard: ASTM A53 / API 5L
Grade: Q235B / Gr.B / X52
OD: 21.3mm–610mm
WT: 1.5mm–30mm
Length: 6m / 12m
Surface: Black / Galvanized / 3PE
Ends: Plain End / Beveled End
Application: Oil / Gas / Construction
Packing: Bundles with Steel Strips

Laminated Steel

Laminated Steel

Model: DX51D / SGCC
Parameters: Product: Laminated Steel
Base Material: Galvanized Steel / Stainless Steel
Film Type: PET / PVC
Thickness: 0.3mm–1.5mm
Width: 600mm–1250mm
Surface: Matte / Glossy / Wood Grain
Standard: ASTM / JIS / EN
Application: Home Appliance / Decoration / Furniture
Packing: Standard Export Seaworthy Packing

Structural Steel

Structural Steel

Model: Q235 / Q355
Parameters: Product: Structural Steel
Grade: ASTM A36 / S355JR / Q355B
Thickness: 2mm–100mm
Width: 1000mm–3500mm
Length: 6m–12m
Surface: Black / Galvanized
Standard: ASTM / EN / JIS / GB
Application: Building / Bridge / Steel Structure
Packing: Standard Export Seaworthy Packing

Spring Steel

Spring Steel

Model: 65Mn / SUP9 / 5160
Parameters: Product: Spring Steel
Grade: 65Mn / SUP9 / 60Si2Mn
Thickness: 0.3mm–20mm
Width: 10mm–1500mm
Hardness: HRC 42–58
Surface: Bright / Black / Polished
Standard: ASTM / JIS / EN
Application: Springs / Automotive / Machinery
Packing: Standard Export Seaworthy Packing

Industrial Pure Iron

Industrial Pure Iron

Model: DT4 / Pure Iron
Parameters: Product: Industrial Pure Iron
Grade: DT4 / DT4A
Thickness: 0.5mm–50mm
Width: 20mm–1500mm
Purity: ≥99.5%
Surface: Bright / Pickled
Standard: GB / ASTM / JIS
Application: Electromagnet / Transformer / Relay
Packing: Standard Export Seaworthy Packing

Silicon Steel

Silicon Steel

Model: CRGO / CRNGO
Parameters: Product Type: CRGO / CRNGO
Full Name: Cold Rolled Grain Oriented / Cold Rolled Non-Grain Oriented
Thickness: 0.15mm – 1.00mm
Width: 20mm – 1250mm
Coil Weight: 2MT – 10MT
Inner Diameter: 508mm / 610mm
Surface: Finish Bright, Insulated Coating
Coating Type: C2, C3, C4, C5 Insulation Coating
Edge Condition: Mill Edge / Slit Edge
Standard: ASTM, JIS, EN, GB
Magnetic Induction 1.50T – 1.95T
Iron Loss Low Core Loss
Tensile Strength 300 – 500 MPa
Packing Export Standard Seaworthy Packing

Steel Pipe

Steel Pipe

Model: Q235B / ASTM A53
Parameters: Product Type: Welded Steel Pipe / Seamless Steel Pipe
Manufacturing Process: ERW, SSAW, LSAW, Hot Rolled, Cold Drawn
Section Shape: Round, Square, Rectangular
Outer Diameter (OD): 10.3mm – 3048mm
Wall Thickness (WT): 0.5mm – 80mm
Length: 5.8m, 6m, 11.8m, 12m or Customized
Pipe End Type: Plain End, Beveled End, Threaded
Surface Treatment: Black Painted, Oiled, Galvanized, 3PE Coating, FBE Coating, Pickling
Coating Type: Zinc Coating, Epoxy Coating, PE Coating, Anti-corrosion Coating
Zinc Coating: 30g/m² – 600g/m²
Standard : ASTM, API, EN, DIN, JIS, GB
Material Grade: Carbon Steel, Alloy Steel, Stainless Steel
Packing: Bundles with Steel Strips, Waterproof Packing, Wooden Cases

Seamless Pipe

Seamless Pipe

Model: API 5L / ASTM A106 / A53
Parameters: Product Name :Seamless Steel Pipe
Manufacturing Process:Hot Rolled, Cold Drawn, Cold Rolled
Section Shape :Round Pipe, Square Pipe, Rectangular Pipe (Customized Available)
Outer Diameter (OD): 10.3mm – 1219mm
Wall Thickness (WT): 1.5mm – 80mm
Length: 5.8m, 6m, 11.8m, 12m, or Customized Length
Pipe End Type :Plain End, Beveled End, Threaded
Surface Treatment :Black Painting, Oiled, Sand Blasting, Pickling, Galvanized, Anti-corrosion Coating

Hot Rolled Steel

Hot Rolled Steel

Model: Q235 / SS400 / A36
Parameters: Brand Name MESCO STEEL
Thickness 1.0-200MM
Width 10-3000MM
Length Within 12000MM, as clients' requests
Coil ID 760MM
Coil Weight 8-20 MT
Standard JIS, AISI, ASTM, GB, DIN, EN, etc
Grade NM360/NM450/NR400/KN60/KN63
Surface treatment Dry/Oiled
Tolerance Thickness:±0.25mm, Width: ±2mm, Length: ±3mm
Processing Service Bending, Welding, Decoiling, Cutting, Punching
Application Construction, machinery, railway, cement plant, coal yard, power plant, etc
Delivery Form Steel Coil/Plate

Cold Rolled Steel

Cold Rolled Steel

Model: SPCC / SPCD / DC01
Parameters: Product Name Cold Rolled Steel Coil
Material: Q235、Q255、Q275、SS400、A36、SM400A、St37-2、SA283Gr、S235JR、S235J0、S235J2
Thickness: 0.2-500mm,etc
Width : 1000-4000mm,etc
Length: 2000mm, 2438mm, 3000mm, 3500,6000mm,12000mm,or rolled,etc etc
Standard: ASTM,AISI,JIS,GB, DIN,EN

PPGI Steel

PPGI Steel

Model: SGCC / DX51D
Parameters: width:600–1250mm
thickness:0.2–1.2mm

Coating Steel

Coating Steel

Model: DX51D / SGCC
Parameters: width:600-1500mm
thickness:0.3-3mm
coating:PE / PVDF / SMP Coating

Composite Steel

Composite Steel

Model: SS+CS / Cu+Steel / Al+Steel
Parameters: width:500–1500mm
thickness:0.5–20mm
surface:Cladding / Bonded

Galvanized Steel

Galvanized Steel

Model: DX51D / SGCC / ASTM A653
Parameters: width:600–1500mm
thickness:0.2–3.0mm
coating:Zinc Coating (Z30–Z275)

Galvalume Steel

Galvalume Steel

Model: DX51D+AZ / SGLCC
Parameters: width:600–1500mm
thickness:0.2–3.0mm
coating:Zinc Coating (Z30–Z275)

Magnelis Steel

Magnelis Steel

Model: S250GD / S350GD
Parameters: width:600-1500mm
thickness:0.2-8.0mm
coating:ZM40 / ZM80 / ZM275 / ZM600 g/㎡

ZAM Steel

ZAM Steel

Model: S220GD / S250GD / S350GD
Parameters: width:600-1500mm
thickness:0.2-8.0mm
coating:ZM40 / ZM80 / ZM275 / ZM600 g/㎡

Aluminum Coil

Aluminum Coil

Model: 1050 / 1060 / 3003 / 5052
Parameters: width:800–2000mm
thickness:0.2–6.0mm
surface:Mill Finish / Coated

Aluminized Steel

Aluminized Steel

Model: ASTM A463 T1/T2
Parameters: coating:AS80 / AS120 / AS240 / AS275 / AS300g/㎡
width:600-1500mm
thickness:0.37-3.0mm

Stainless Steel

Stainless Steel

Model: 304 / 316 / 201 / 430
Parameters: thickness:0.3–6.0mm
width:1000–2000mm
surface:2B / BA / No.4

Company Gallery

Certifications & Awards

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CE
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ISO 9001:2015
ISO 9001:2015

Success Stories & Case Studies

Steel Structure EPC Contractor

Steel Structure EPC Contractor

Strong load-bearing capability
MESCO structural steel offered excellent weldability and stable mechanical properties for large-scale industrial workshop construction. Fast delivery and technical support helped the customer complete the project efficiently and reduce construction risks.

📍 Location: CL 📦 Quantity: 5,000 MT
Automotive Spring Manufacturer

Automotive Spring Manufacturer

Excellent fatigue resistance
MESCO spring steel provided high elasticity and stable heat treatment performance, greatly improving spring durability and production consistency in automotive applications.

📍 Location: PL 📦 Quantity: 1,300 MT
Electromagnetic Equipment Factory

Electromagnetic Equipment Factory

High magnetic conductivity
The project required ultra-high purity material with stable electromagnetic performance. MESCO industrial pure iron delivered excellent magnetic permeability and processing consistency for precision applications.

📍 Location: DE 📦 Quantity: 600 MT
Transformer Manufacturer

Transformer Manufacturer

Lower energy loss
MESCO silicon steel provided low iron loss and high magnetic permeability, significantly improving transformer energy efficiency. The customer achieved better market competitiveness in the power equipment industry.

📍 Location: IN 📦 Quantity: 950 MT
Construction Company

Construction Company

Cost-effective structural solution
MESCO welded pipe offered stable dimensions and excellent welding performance for structural fabrication. The customer reduced overall project costs while maintaining construction quality and safety standards.

📍 Location: PE 📦 Quantity: 1,700 MT
Water Supply Contractor

Water Supply Contractor

Reliable fluid transportation
MESCO steel pipes demonstrated strong corrosion resistance and stable welding quality for municipal infrastructure. The project improved local water transmission efficiency and reduced maintenance frequency.

📍 Location: NG 📦 Quantity: 3,500 MT
Oil & Gas Company

Oil & Gas Company

High pressure resistance
The customer required seamless pipes capable of operating under extreme pressure and low-temperature conditions. MESCO products passed strict inspection standards and provided reliable long-term pipeline safety.

📍 Location: KZ 📦 Quantity: 2,200 MT
Infrastructure Contractor

Infrastructure Contractor

Strong structural support
MESCO hot rolled steel provided excellent weldability and structural strength for large infrastructure projects. Stable supply capability ensured timely project progress and minimized construction delays.

📍 Location: BR 📦 Quantity: 6,000 MT
Precision Equipment Factory

Precision Equipment Factory

High dimensional accurac
The client required strict flatness and thickness tolerance control for precision stamping applications. MESCO cold rolled steel delivered smooth surface quality and stable mechanical performance, significantly improving stamping yield rates.

📍 Location: JP 📦 Quantity: 1,100 MT
Prefabricated House Manufacturer

Prefabricated House Manufacturer

Fast installation and attractive appearance
MESCO PPGI steel provided stable color consistency and strong forming performance for prefab housing systems. The lightweight roofing solution improved installation efficiency and reduced transportation costs, supporting rapid construction in local housing projects.

📍 Location: PH 📦 Quantity: 4,000 MT
Construction Material Distributor

Construction Material Distributor

Improved weather resistance and aesthetics
MESCO coating steel maintained color stability and coating adhesion under tropical climate conditions. The project reduced fading and corrosion issues commonly seen in conventional coated steel products, improving customer satisfaction in residential construction projects.

📍 Location: ID 📦 Quantity: 3,500 MT
Home Appliance Manufacturer

Home Appliance Manufacturer

Decorative appearance and scratch resistance
The customer focused on high-end appliance appearance and durability. MESCO laminated steel offered premium decorative finishes with excellent scratch resistance and easy cleaning performance. The project enhanced the customer’s product competitiveness in the European home appliance market.

📍 Location: TR 📦 Quantity: 1,800 MT
Shipbuilding Company

Shipbuilding Company

Reduced weight with improved strength
The customer required high-strength composite steel to reduce vessel weight while maintaining structural safety. MESCO composite steel improved fuel efficiency and corrosion resistance for marine applications. The project successfully optimized material costs and operational performance.

📍 Location: KR 📦 Quantity: 900 MT
Steel Structure Company

Steel Structure Company

Stable zinc coating and easy processing
MESCO galvanized steel provided uniform zinc coating and excellent bending performance for steel structure fabrication. The customer completed the project ahead of schedule thanks to stable dimensional accuracy and reliable delivery support. The material showed strong anti-rust capability in humid environments.

📍 Location: VN 📦 Quantity: 2,500 MT
Industrial Building Contractor

Industrial Building Contractor

Better heat reflection and durability
The client required roofing materials capable of resisting strong UV radiation and desert heat. MESCO Galvalume steel significantly reduced roof surface temperature and improved indoor cooling efficiency. Compared with GI materials, the roof system showed better corrosion resistance and lower maintenance requirements over long-term use.

📍 Location: SA 📦 Quantity: 8,000㎡
Agricultural Equipment Supplier

Agricultural Equipment Supplier

Excellent ammonia corrosion resistance
Livestock facilities contain high levels of ammonia and moisture, which severely affect conventional galvanized materials. MESCO Magnelis steel demonstrated excellent anti-corrosion performance in aggressive agricultural environments. The project reduced replacement frequency and maintenance expenses, helping the customer improve long-term operational efficiency.

📍 Location: FR 📦 Quantity: 1,200 MT
Solar Mounting System Manufacturer

Solar Mounting System Manufacturer

Superior corrosion resistance in tropical climate
The project was located in a high-temperature, high-humidity environment where traditional galvanized steel corroded quickly. MESCO ZAM steel delivered outstanding edge corrosion protection and long-term durability without additional coating treatment. The customer reduced maintenance costs and extended product warranty periods, greatly improving competitiveness in the local renewable energy market.

📍 Location: TH 📦 Quantity: 3,000 MT
Roofing Contractor

Roofing Contractor

Lightweight structure and anti-corrosion performance
For a coastal commercial building project, the customer required lightweight materials with strong corrosion resistance under high humidity and salt spray conditions. MESCO aluminum coil provided excellent weather resistance, reducing structural load and installation costs. The project achieved faster installation speed and improved building energy efficiency due to better thermal reflection performance.

📍 Location: AE 📦 Quantity: 5,000㎡
Automotive Parts Factory

Automotive Parts Factory

Enhanced heat resistance and reduced cost
The client needed a material that could withstand continuous high-temperature environments while controlling manufacturing costs. MESCO supplied aluminized steel with excellent heat resistance and oxidation resistance, replacing partial stainless steel usage. The project reduced raw material costs by nearly 30% while maintaining long-term durability. Stable coating adhesion and excellent forming performance ensured smooth stamping and welding during mass production.

📍 Location: MX 📦 Quantity: 1,500 MT
Kitchen Equipment Manufacturer

Kitchen Equipment Manufacturer

Improved corrosion resistance and surface finish
The customer required high corrosion resistance and stable surface quality for commercial kitchen equipment exported to Europe. MESCO STEEL supplied precision stainless steel with consistent thickness tolerance and excellent polishing performance. Compared with previous suppliers, the rejection rate was significantly reduced, and processing efficiency improved by over 20%. Fast delivery and stable inventory support helped the customer shorten production cycles and successfully complete large-volume export orders.

📍 Location: IT 📦 Quantity: 2,000 MT

Company & Product Videos

Company Introduction & Factory Tour

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Product Demonstration - Kestrel K-1

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Technology Innovation Showcase

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Customer Testimonials & Success Stories

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