Duohai Metal | Premium Steel & Metal Products Supplier

About Duohai Metal

Hebei Duohai Steel Sales Co., Ltd is a large-scale modern steel complex integrating production, processing, and international trade. We specialize in the manufacturing and export of high-quality metal products including stainless steel, carbon steel, galvanized steel, aluminum, and alloy steel materials.

With our own factory and strict quality control systems, we ensure every product meets international standards such as AISI, ASTM, JIS, SUS, DIN, EN, and GB. Our certifications include ISO9001, CE, and SGS — renewed annually to maintain the highest level of quality assurance.

Competitive pricing from direct factory supply
Flexible payment: T/T, L/C, PayPal, Kunlun Bank
Quick delivery within 10–15 days
OEM/ODM services available

Our Products

We supply a comprehensive range of metal products across five major categories: Stainless Steel, Carbon Steel, Galvanized Steel, Aluminum, and Alloy Steel. All products are manufactured to international standards and available in various grades, thicknesses, and finishes.

904L Stainless Steel Sheet

Grade: 201/202/304/304L/316/316L/321/309S/310S/410/420/430/904
Standards: AISI, ASTM, JIS, SUS, DIN, EN, GB
ISO9001, CE, SGS certified
OEM/ODM supported

Hot Product

316/316L Stainless Steel Sheet

Grade: 201/202/304/304L/316/316L/321/309S/310S/410/420/430/904
High corrosion resistance, ideal for marine & chemical applications
Flexible payment: T/T, L/C, PayPal, Kunlun Bank
Delivery: 10–15 days

Hot Product

304 Stainless Steel Plate

Grade: 201/202/304/304L/316/316L/321/309S/310S/410/420/430/904L
Standards: AISI, ASTM, JIS, SUS, DIN, EN, GB
Competitive price from own factory
OEM/ODM available

Carbon Steel Sheet

Grade: A36, A283, A285, Q195, Q215, Q235, Q345, Q345B, ST12-14, SPCC-CE, DC01-04, SAE 1010, S235JR, S355JR
Thickness: 2–400mm | Width: 600–3000mm
Processing: Bending, Welding, Decoiling, Cutting, Punching, Polishing

Q345B Carbon Steel Sheet

High strength low-alloy structural steel
Excellent weldability and toughness
Processing services available
Quick delivery, standard export packaging

S355JR Carbon Steel Plate

Non-alloy quality structural steel
Commonly used in construction, machinery, and engineering
Thickness: 2–400mm | Width: 600–3000mm
Standards: AISI, ASTM, DIN, EN, GB

Galvanized Steel Sheet

Excellent corrosion resistance
Available in sheet, coil, pipe, and corrugated forms
PPGI and Galvalume options available
Used in roofing, construction, and automotive

Aluminum Sheet & Coil

Lightweight, corrosion-resistant, and highly formable
Available in various alloys and tempers
Applications: aerospace, transportation, electronics
Ingots, pipes, and bars also available

Nickel Alloys

Includes Monel, Hastelloy, Incoloy, Inconel
High performance in extreme temperatures and corrosive environments
Used in chemical processing, oil & gas, aerospace
Custom grades and forms available

Cold Rolled Steel Coil

High dimensional accuracy and smooth surface
Grades: SPCC, SPCD, SPCE, DC01-04
Used in automotive, appliances, and precision parts
Available in various thicknesses and widths

Galvanized Corrugated Sheet

High strength-to-weight ratio
Commonly used for roofing and wall cladding
Excellent durability and weather resistance
Available in various wave profiles and lengths

PPGI Steel Coil

Prefinished galvanized iron with color coating
Available in various colors and finishes (matte, glossy)
Used in construction, appliances, and furniture
Excellent corrosion and UV resistance

View All Products

Why Choose Duohai Metal?

We combine quality, reliability, and service to deliver exceptional value to global clients.

Certified Quality

All products are ISO9001, CE, and SGS certified annually. We adhere to international standards including AISI, ASTM, JIS, DIN, EN, and GB.

Fast Global Delivery

Standard delivery within 10–15 days. We offer reliable logistics and standard export packaging to ensure safe arrival worldwide.

Custom Processing

We provide bending, welding, decoiling, cutting, punching, and polishing services to meet your exact specifications.

Frequently Asked Questions

What grades of stainless steel do you offer?

We supply a wide range including 201, 202, 304/304L, 316/316L, 321, 309S, 310S, 410, 420, 430, and 904L. Custom grades are also available upon request.

What are your payment terms?

We accept T/T, L/C, PayPal, and Kunlun Bank. Flexible payment options are available depending on order size and customer history.

How long does delivery take?

Standard delivery time is within 10–15 days after order confirmation. Exact timing depends on product type, quantity, and destination.

Do you offer OEM/ODM services?

Yes, we fully support OEM and ODM orders. We can customize products according to your drawings, specifications, and branding requirements.

What certifications do you have?

Our factory is ISO9001 certified, and our products are tested and approved by CE and SGS every year to ensure consistent quality.

Can you provide samples?

Yes, we offer free samples for quality evaluation. Shipping costs may apply depending on destination and sample size.

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