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  • Material: Carbon Steel / Galvanized Steel
    Size: 1.0–2.5m (L) × 0.8–1.5m (H) / Custom
    Post: Square / Round Steel Tube
    Structure: Welded or Bolt-Connected
    Finish: Hot-Dip Galvanized / Powder Coated
    Color: Yellow, White, Red, Black, Custom
    Applications: Highway construction, municipal projects, pedestrian protection, traffic diversion
    Service Life: 5–15 Years
  • Material: SS304 / SS316 / SS316L
    Pressure Rating: 1–150LB
    Valve Type: Manual Gate Valve
    Size Range: 1" / 2" / 3" / 4" / Custom
    Connection: Flanged / Threaded / Welding
    Working Temp: -20°C ~ 450°C
    Media: Oil / Gas / Steam / Chemical Fluid
    Sealing: Metal Hard Seal / Soft Seal
    Applications: Petrochemical, Heat Supply, Industrial Pipelines
    Standards: ANSI / API / ASTM
  • Material: Carbon Steel / Galvanized Steel
    Size: 2.0–2.5m (L) × 1.0–1.2m (H) / Custom
    Tube Diameter: 20–38mm / Custom
    Welding: Fully Welded Frame
    Surface Finish: Hot-Dip Galvanized / Powder Coated
    Base Type: Flat Base / Bridge Base / Removable Feet
    Connection: Interlocking Hooks
    Applications: Events, Concerts, Traffic Control, Construction Safety
    Service Life: 5–15 Years
  • Material: Cast Steel / WCB / WC6 / WC9
    Connection: Flanged
    Valve Type: Knife Gate Valve
    Size Range: DN50 – DN1200 / NPS 2″–48″
    Pressure Rating: PN10 / PN16 / Class #150# / 300 / 600
    Sealing: Resilient Rubber Seat / Metal Seat
    Stem: Rising / Non-Rising
    Operation: Manual, Gear, Actuator
    Media: Slurry / Powder / Viscous / Corrosive
    Temperature: -40°C ~ 200°C
    Standards: API 609 / EN / ASME B16
  • Size: DN200 / Custom
    Body Material: Ductile Cast Iron
    Seating Type: Resilient Soft Seated
    Connection: Flanged
    Operation: Manual / Gear / Electric
    Pressure Rating: PN10 / PN16 / PN25
    Media: Clean water / sewage / non-corrosive fluids
    Working Temp: 0°C ~ 120°C
    Standards: DIN / BS / ISO / AWWA
    Applications: Water supply, irrigation, municipal pipelines
  • Material: Zinc Steel / Galvanized Steel
    Surface Finish: Hot-Dip Galvanized + Powder Coating
    Post Size: 40×40mm / 50×50mm / Custom
    Rail Size: 20×40mm / 30×60mm / Custom
    Height: 800mm–1500mm / Custom
    Color: White, Black, Yellow, Blue, Custom
    Application: Urban Road, Sidewalk, Municipal Traffic, Isolation Zone
    Installation: Ground Screw / Expansion Bolt
    Sales Models: Wholesale / OEM / Factory Direct
    Min Order: 50 Sets
  • Material: Stainless Steel 304 / 316 / 316L
    Design Type: Column + Horizontal Rail / Custom
    Post Size: 50×50mm / 76×76mm / Custom
    Rail Size: 30×60mm / 40×80mm / Custom
    Surface Finish: Mirror / Brushed / Polished
    Height: 800–1500mm
    Application: Road Bridges, Pedestrian Zones, Landscape Protection
    Color: Silver / Gold / Rose Gold / Custom
    Sales Models: Wholesale / OEM / Engineering Support
    Min Order: 50 Sets
  • Material: Carbon Steel / Galvanized Steel
    Size: 2.0m × 1.2m / Custom
    Structure: Welded Mesh + Reinforced Frame
    Installation: Movable Base with Bolts / Press-Fit
    Finish: Powder Coated / Hot-Dip Galvanized
    Color: Yellow, Black, Red, White, Custom
    Applications: Exhibitions, temporary isolation, urban projects, public events, traffic control
    Sales Models: Wholesale / Engineering Supply
    Min Order: 10pcs
    Service Life: 3–10 Years
  • Material: Galvanized Steel / Carbon Steel
    Surface Finish: Hot-Dip Galvanizing / Powder Coated
    Post Size: 40×40mm / 50×50mm / Custom
    Beam Size: W-Beam / Thrie Beam / Custom
    Length: 2m–4m / Custom
    Height: 700mm–1500mm / Custom
    Color: Silver, White, Yellow, Custom
    Application: Highway, Driveway, Municipal Road, Traffic Isolation
    Sales Models: Wholesale / OEM / Factory Direct
    Min Order: 50 Units
  • Size: DN15 – DN600 / 1/2″–24″
    Material: CF8 / CF8M / WCB / Custom
    Type: Rising / Non-Rising Stem Gate Valve
    Connection: ANSI Flanged
    Pressure Rating: 150LB / 300LB / 600LB
    Seating: Metal Seat / Soft Seat
    Media: Water, Oil, Gas, Chemical Fluids
    Temperature: -29°C ~ 425°C
    Operation: Manual / Gear / Electric / Pneumatic
    Standard: ANSI / ASME / API
  • Brand: Haihong
    Material: SS304 / SS316 / SS316L
    Pressure Rating: 150LB / 300LB / Custom
    Valve Type: Manual Sealed Gate Valve
    Size Range: 1" / 2" / 3" / 4" / Custom
    Connection: Flanged / NPT Threaded / Welded
    Working Temp: -20°C ~ 450°C
    Media: Steam / Oil / Gas / Chemical Fluid
    Applications: Power Plants, Petrochemical, Municipal Heating
    Standards: ANSI / API / ASTM / DIN
  • Material: Galvanized Steel / Carbon Steel
    Design Type: W-Beam / Plate Fence / Vertical Post
    Post Size: 50×50mm / 60×60mm / Custom
    Beam Size: W-Beam / Reinforced Panel
    Impact Level: Grade A / B / Custom
    Surface Finish: Hot-Dip Galvanizing / Powder Coated
    Height: 600–1500mm / Custom
    Color: White, Yellow, Grey, Custom
    Application: Urban Roads, Highways, Traffic Islands
    Sales Models: OEM / Wholesale / Engineering Supply
    Min Order: 50 Sets

️High-Quality Steel & Metal Products for Global Markets

At Haihong Steel, we supply a wide range of premium steel product and metal materials designed for construction, manufacturing, energy, and industrial engineering applications across the United States, Russia, Dubai and whole international markets.

Our metal solutions are produced using advanced manufacturing process controls to ensure superior mechanical properties, long life cycle, and reliable performance under high temperature and harsh working environments.

️Advanced Manufacturing & Heat Treatment Technology

Each steel product goes through controlled production. This includes melting, forming, and professional heat treatment. These steps improve strength, durability, and surface quality. Our strict process control ensures:

• Stable melting point consistency

• Improved structural performance

• Excellent electrical conductivities for special alloy products

• Enhanced resistance against chemical exposure such as sulfuric acid

️Corrosion Resistance and Surface Protection

Many of our products feature hot dip galvanizing with durable zinc coating, making them highly resistant to corrosion in outdoor, marine, and industrial environments. This protective layer significantly extends product life cycle while reducing maintenance costs — making it a common type of solution for infrastructure projects worldwide.

Mechanical Performance & Material Grades

We supply multiple grades of stainless steel and carbon steel engineered for different load capacities and operating conditions. Our metals offer: High strength levels, Excellent mechanical properties, Superior thermal stability, Long-term durability in demanding applications, Available in both bulk orders and small amount custom production..

Reliable Metal Supply for Global Projects

From structural steel beams to precision tubes and galvanized sheets, our product range covers nearly every industrial need. Whether you’re sourcing for construction, energy plants, machinery manufacturing, or transportation infrastructure, Haihong Steel delivers consistent quality with international shipping support...

Popular Industrial Metal Solutions

From structural beams and rolled steel coils to high-accuracy copper tubing and aluminum sheet stock — our product hub lets you rapidly find the perfect material to match your project requirements. If you don’t see your required specification, our OEM & ODM services allow custom production. Our product lines include:

• Stainless steel sheets, pipes & profiles

• Galvanized steel coils & plates

• Carbon steel beams & tubes

• Copper and aluminum industrial materials

• High-performance alloy steels

All products comply with international quality standards and customer specifications.

Get Exclusive Quotation

If you have customized mechanical equipment needs or want to learn more about the details of industry solutions, please feel free to contact us.
We will provide you with one-on-one professional services to start a new chapter of win-win cooperation!