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| Customization: | Available |
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| After-sales Service: | Online Technical Support |
| Install: | Online Guidance |
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ADVANTAGE:
| LJ Steel Structure building technical specifications | |
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Main steel structure
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Q235, Q355B steel, Welded H type, I type, Box type frames
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Surface Treatment
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Sa2.5 grade shot blasting, Alkyd painting, or Epoxy zinc-rich painting, or Galvanization according customers' requirements
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Purlins
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C section, Z section profiles, Electro-galvanized, 40g/m2, 60g/m2, 90g/m2, 275g/m2, according customers' requirements
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Bracing system
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Including Cross brace, Column brace, Knee brace, Batter brace, Tie bar etc.
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Wall & Roof cladding system
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Single corrugated galvanized metal sheet, or Insulated sandwich panels, such as Rockwool, Fiberglass, EPS, PU etc.
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Doors
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Electric Roller shutter door, or Sliding door, or Singe open / Double open door
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Windows
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UPVC / Aluminum windows
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Rainspout system
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Galvanized gutter, UPVC down pipes
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Fittings & Accessories
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Anchor bolt, High-strength bolt, Screw, Trip plate, Sealing glue etc.
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As a company with brilliant design team and rich experience in steel structure, we can provide one-stop service containing drawing design, manufacturing, site construction & installation guiding. LJ steel structure plans, calculates, and designs complete solutions and designs of steel structure in accordance with Chinese and international standards, combining modern technology.



Q1: Is your company a factory or trading company?
A: We are manufacturer with foreign trade department, so you can get competitive price as well as professional service.
Q2: What are your main products?
A: We provide steel structure warehouse, workshop, chicken house, prefab house, container house, garage, aircraft hangar, sandwich panels and other construction materials.
Q3: What's the quality assurance you provide and how do you make quality control?
A: Quality-first is our core value. LJ steel structure quality assurance team and quality control team have developed a rigorous quality inspection system based on ISO9001. Testing Laboratory guarantees qualified raw materials and high-standard product.
Q4: Do you offer installation guidance on site?
A: Yes, we provide one-stop service of installation, supervision and training by extra. We can send our professional technical engineers to supervise overseas installation.
Q5: What should I provide to get a complete quotation?
A: Please provide information of building dimensions, insulation material, local wind speed and snow load. Then we can make careful design and give competitive quotation.
Q6: What kind of drawing will you provide?
A: Plan drawing, elevation drawing, sectional drawing, foundation drawing and installation drawing.
Q7: How many colors do your sandwich panels have?
A: White grey, dark grey, sea blue, red and customised colors according to your requirements.