- Overview
- Product Description
- Detailed Photos
- Product Application
- Customer Rendering Display
- Packaging & Shipping
- Company Profile
- Certifications
- FAQ
Basic Info.
Product Description
1. Possesses a wide span, with either a single or multiple spans and can have a maximum span clearance distance in 36m without middle columns.
2. Low cost with unit price ranging from USD30 to USD 87 per square meter FOB according to customer's requirements.
3. Fast construction and easy installation
4. Has a service life of more than 50 years

5. The warehouses are also environmentally friendly, have a stable structure, are earthquake resistance, water proof, and energy saving
1. Q235,Q345 H section steel structure for columns and beam
2. Pre-embedding anchor bolts for connection columns to foundation
3. Intensive bolts for connection between columns and beams.
4. Wall/roof panel: one layer corrugated steel plate or sandwich panels
5. Windows/door: PVC, aluminum alloy, steel etc.
6. Color steel plate or galvanized steel gutters and PVC tubes for rain water


1. Embedded parts--M24/M27/M30
2. High strength bolt/Common bolt/Turnbuckle/Galvanized bolt--M20
3.Steel column(Q235B)--HN(200~500)*200*9*14
4.Wind column(Q235B)--HN(198~400)*200*7*11
5. Roof truss beam(Q235B)--HN(900-450)*200*8*12
6. Tie rod-- ∅89/114*3.0 steel bar
7. Horizontal bracing--∅20/22/25steel bar
8. Column bracing--∅20/22/25steel bar
9. Roof purlin(galvanized)--C160/180/220*2.0
10. Wall purlin(galvanized)--C160/180/220*2.0
11. Connecting plate--3mm~12mm steel sheet
12. Roof tile --0.426/0.476mm steel sheet/30~50mm sandwich panel
13. Wall panel --0.426/0.476mm steel sheet/30~50mm sandwich panel
14. Gutter--PVC/Galvanized steel materials
15. Downpipe--∅110 PVC materials
16. Electric galvanized rolling gate--W5000*H5000(customized size)
17. Sandwich panel door --W800*H2100(customized size)
18. Window--PVC/Aluminum sliding window W1100*H1200(customized size)
19. Trimming--1.0mm galvanized /0.476mm steel sheet
LJ Steel Structure building technical specifications | |
Main steel structure | Q235, Q355B steel, Welded H type, I type, Box type frames |
Surface Treatment | Sa2.5 grade shot blasting, Alkyd painting, or Epoxy zinc-rich painting, or Galvanization according customers' requirements |
Purlins | C section, Z section profiles, Electro-galvanized, 40g/m2, 60g/m2, 90g/m2, 275g/m2, according customers' requirements |
Bracing system | Including Cross brace, Column brace, Knee brace, Batter brace, Tie bar etc. |
Wall & Roof cladding system | Single corrugated galvanized metal sheet, or Insulated sandwich panels, such as Rockwool, Fiberglass, EPS, PU etc. |
Doors | Electric Roller shutter door, or Sliding door, or Singe open / Double open door |
Windows | UPVC / Aluminum windows |
Rainspout system | Galvanized gutter, UPVC down pipes |
Fittings & Accessories | Anchor bolt, High-strength bolt, Screw, Trip plate, Sealing glue etc. |

The Steel structure advantage:
a. Low maintenance costs
b.Environmentally friendly, recycling.
c.Flexibility when fixing doors, windows, and interior partitions
d.Steel structure construction is strong, durability and stable.
e.Steel components are resistant to termites and other destructive insects.
f.Long service life for more than 50 years
g.Fast construction, easy installation, and convenient transport.

Our goal is not only to provide high quality steel structure building, but also to maintain a personalized and professional relationship with
each customer. No matter how big or small your requirement we will do our best to meet your demand. One stop service from design,
manufacture, deliver to installation and after-service.




We have been devoted to research & development of steel structure buildings. And we constantly renovate technology to improve the wind- and rain- resistance performance of the products. So their life-span can be enlarged and it helps accomplish the most cost-effective effect for our customers.

1.The industry's leading plasma slitting machine solves the defects of traditional flame cutting burrs;
2.Brand new high-strength steel plate with the material of certificate from first class steel mill , never use rusted stock;
3.Flexible design of welded H-beam, can process various models, fully save costs, 0 waste;
4.Welded H-beam double-sided for continuous full penetration submerged arc welding, which is as strong as hot-rolled H beam And the design is diversified;
5.The 3D drilling machine drill the web and flange hole in one time, which greatly improves the accuracy of the hole making compared with the magnetic drill;
6.Plasma punching machine, high-speed and accurate complete the hole of the sidde plate and rib plate, and the stamp mark is clearly visible after galvanizing or painting;
Driven by the mission of becoming a world famous brand, we're dedicated to innovative technology and creative thinking, pursuing the best interest of our clients. Through smart construction design and meticulous cost analysis, we customize the right approach for customers' projects to exceed their expectations, and have won the trust of our customers in more than 20 countries all over the world!

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.