Stainless Steel & Metal Supplier China | Aluminum, PPGI, Copper
Haihong Steel is a professional metal manufacturer with 18+ years of experience, specializing in stainless steel coils, galvanized steel coils, aluminum coils, copper coils, and steel plates for global industries.
ISO/CCC/CQC/ SGS / TUV Certified Manufacturer
OEM & ODM Customization Available
Factory Direct Supply No Middleman
Exporting to 20+ Countries Worldwide

18 YEAR'S OF MANUFACTURING EXPERIENCE
Our Main Products
- Material: Galvanized Steel / PPGI
Thickness: 0.12–1.2mm
Width: 600–1250mm
Length: Customized
Surface: Galvanized / Color Coated
Standard: ASTM, JIS, GB
MOQ: 1 Ton -
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Material: Stainless Steel 304, 316L
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Thickness: 0.4–1.5 mm
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Width: 1000–1500 mm
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Surface: Water Ripple, Embossed, Color Coated
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Finish Options: Mirror, Titanium Gold, Rose Gold, Black, Customized
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Application: Lobby Ceiling, Wall Panel, Interior Decoration
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Standard: ASTM, JIS, EN, GB
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MOQ: 50 Sheets
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OEM/ODM: Available
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- Material: 304 / 316 / 321 / 904L Stainless SteelType: Seamless Tube / Welded Tube
Surface Finish: 2B / BA / Polished
Size Range: OD 6–630 mm, Thickness 0.5–30 mm
Standard: ASTM / JIS / DIN / EN
Testing: Hydraulic Test, Eddy Current Test, UT
Application: Heat Exchangers, Oil & Gas Pipeline, Chemical Processing
MOQ: 1 Ton - Material: Alloy 1050, 1100, 3003, 3105, 5052
Type: Aluminum Coil
Thickness: 0.2–6.0mm
Width: 600–2000mm
Surface: Mill Finish, Color Coated, Anodized
Temper: O, H12, H14, H16, H18, H24
Standard: ASTM, JIS, EN, GB
MOQ: 1 Tons
Why Choose Us
Real Manufacturing Factory, Not a Trading Company
We operate our own production facilities with complete manufacturing lines, ensuring direct factory pricing, strict quality control, and reliable supply without middlemen.
OEM & ODM Custom Steel Solutions
We provide customized steel items based on your drawings, details, sizes, surface wraps up, and application prerequisites to meet differing mechanical needs.
Professional Export Packing & Logistics
We utilize strengthened waterproof bundling, steel strapping, and export-standard beds to ensure items amid long-distance ocean and arrive transportation
Strict Quality Inspection Before Shipment
Every arrange experiences comprehensive testing counting fabric composition, thickness resilience, surface quality, and bundling review to guarantee reliable standards.
Our metal products are widely used in:

Certified Quality & Inspection
All products are manufactured under strict quality management systems. Each order undergoes chemical composition testing, mechanical testing, surface inspection, and packing inspection before delivery.
Inside Our Steel Manufacturing Facility
From raw material processing to final packing, every step is controlled to ensure consistent quality and customer satisfaction.

Raw Material Processing
(Iron Ore & Scrap Handling)

Rolling & Shaping (Sheets, Coils, Pipes)

Final Packing & Ready for Shipment

Melting & Steel Making
(Furnace Process)

Quality Inspection & Measurement
18 +
Years Experience
20 +
Export Countries
1 M
The Annual Sales Volume
700 +
Enterprises Have In-Depth Cooperation
Cooperation Partners












Blogs
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Top Galvanized Steel Coil Suppliers Worldwide
Top Galvanized Steel Coil Suppliers WorldwideGalvanized steel coils are vital in many industries. They offer durability and resistance to corrosion, making them a preferred choice.The demand for these coils is growing globally. Construction, automotive, and manufacturing sectors drive this demand.ChGalvanized Steel Coil/Strip -
How to Choose Stainless Steel Pipe Sizes
How to Choose Stainless Steel Pipe SizesChoosing the right stainless steel pipe size is crucial for any project. It ensures efficiency and safety.Stainless steel pipes are known for their durability and resistance to corrosion. They are used in various industries, from construction to food processinStainless Steel Pipe/Tube -
Benefits of Stainless Steel Coils in Hot Tubs
Benefits of Stainless Steel Coils in Hot TubsImagine stepping out into your backyard or your newly renovated bathroom and sinking into a sleek, perfectly heated oasis. Over the past few years, homeowners and designers alike have been moving away from traditional plastics and heavy ceramics, turningStainless Steel Coil/Strip












