HANNIING (NINGBO) TRADING CO., LTD | Premium Steel & Industrial Solutions

About HANNIING

HANNIING (NINGBO) TRADING CO., LTD is a leading supplier of industrial steel and metal products based in Ningbo, China. With a strong commitment to quality, reliability, and international standards, we serve clients across construction, energy, transportation, and manufacturing sectors.

Our expertise lies in sourcing, processing, and distributing premium-grade steel materials that meet rigorous global specifications. From carbon and alloy steels to specialized pipes and plates, we ensure every product is engineered for performance and durability.

10+

Years Experience

50+

Global Clients

Our Products

We offer a comprehensive range of high-quality steel and industrial materials designed for strength, precision, and long-term reliability.

Carbon Steel Plates

High-strength plates ideal for structural applications, shipbuilding, and pressure vessels.

Grades: Q235, Q345, ASTM A36
Thickness: 6–100 mm
Standard: GB, ASTM, JIS

Alloy Steel Pipes

Durable pipes for high-pressure and high-temperature environments.

Grades: 4140, 4130, 4340
Diameter: 1/2" to 24"
Standards: ASTM A335, API 5L

Stainless Steel Sheets

Corrosion-resistant sheets for architectural and industrial use.

Grades: 304, 316, 430
Finish: 2B, BA, No.4
Thickness: 0.3–10 mm

Galvanized Steel Coils

Zinc-coated coils for enhanced durability and weather resistance.

Grades: DX51D, S350GD
Zinc Coating: Z60–Z275
Width: 600–1500 mm

Steel Rebar

High-tensile reinforcement bars for concrete structures.

Grades: HRB400, HRB500
Diameter: 6–50 mm
Standards: GB1499, ASTM A615

Boiler & Heat Exchanger Tubes

Precision tubes for thermal systems and power generation.

Materials: Carbon, Alloy, Stainless
Standards: ASTM A179, A192, A213
OD: 10–168 mm

Structural Steel Beams

I-beams and H-beams for construction and infrastructure.

Grades: Q235, Q355
Size Range: 100–600 mm
Standard: GB/T 11263

Steel Wire Rods

High-carbon rods for wire drawing and fastener production.

Grades: SWRH82B, 70#, 65#
Diameter: 5.5–22 mm
Package: Coils, 1–2 tons

Cold Rolled Steel Sheets

Smooth-finish sheets for precision fabrication and appliances.

Grades: SPCC, SAE 1008–1022
Thickness: 0.2–4.0 mm
Width: 600–1500 mm

API Line Pipes

Oil and gas transmission pipes meeting API 5L standards.

Grades: A25, X42, X70
Diameter: 2"–48"
Coating: FBE, 3LPE, 3LPP

Why Choose HANNIING?

We combine quality, reliability, and global reach to deliver unmatched value.

✅

Quality Assurance

All products undergo strict quality control and are certified to international standards including ISO, ASTM, and GB.

🌍

Global Supply Chain

Efficient logistics network with reliable delivery to North America, Europe, Southeast Asia, and the Middle East.

🔧

Custom Solutions

We offer tailored specifications, packaging, and processing to meet your exact project requirements.

📊

Technical Support

Our engineering team provides material selection guidance, documentation, and compliance assistance.

📦

Flexible Packaging

Custom bundling, labeling, and export packaging to ensure safe transit and easy handling.

💼

Trusted Partner

Long-term relationships built on transparency, consistency, and responsive service.

Frequently Asked Questions

What types of steel products do you supply?

We offer a wide range including carbon steel plates, alloy and stainless steel pipes, rebar, coils, sheets, structural beams, and specialized industrial tubes.

Do you provide product certifications?

Yes, we provide Mill Test Certificates (MTC), ISO certifications, and compliance documentation upon request.

Can you customize products to our specifications?

Absolutely. We support custom dimensions, grades, finishes, packaging, and processing such as cutting, bevelling, and threading.

What are your standard payment terms?

Typical terms include T/T (30% deposit, 70% before shipment) and LC at sight. We can discuss flexible options based on order volume and relationship.

How do you ensure quality control?

Our QC process includes raw material inspection, in-process checks, final testing (mechanical, chemical, NDT), and third-party verification if required.

What is your typical lead time?

Standard orders ship within 15–30 days. Custom or large-volume orders may require additional time, which we confirm during quotation.

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