At LiYou Steel Structure Engineering Co., Ltd., we specialize in high-precision structural steel & plate fabrication, delivering custom-engineered components for the most demanding construction projects. With state-of-the-art CNC machinery, automated welding systems, and strict quality control, we fabricate beams, columns, trusses, and complex plate assemblies that meet international standards (ASTM, EN, GB, JIS).
✔ Advanced Manufacturing Capabilities
CNC Plasma/Oxy-Fuel Cutting: ±1mm tolerance for clean, burr-free edges
Heavy Plate Rolling: Up to 120mm thickness with 3-roll variable geometry machines
Robotic Welding: SAW and GMAW processes for consistent, high-penetration welds
✔ Material Expertise
Carbon Steels: Q235B, Q355B to ASTM A36/A572
High-Strength Alloys: Q460C, ASTM A514 for seismic/zonal applications
Weathering Steels: Corten A/B per ASTM A588
✔ Complex Component Fabrication
Built-up girders with 300mm+ flange widths
Curved plate assemblies for architectural/industrial applications
Stiffened diaphragm connections for high-rise moment frames
✔ Quality Assurance
EN 1090 EXC3 certified production
100% Dimensional Inspection with laser trackers
UT/MT Testing per AWS D1.1
2,360-ton metro depot (Xiamen Line 1) – Fabricated 78m clear-span transfer trusses
1,126-ton automotive workshop – 12m cantilevered crane beams at 6mm camber tolerance
650-ton pedestrian bridge – 3D curved plate webs with 8mm profile accuracy
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Online technical support, Onsite Installation, Onsite Training, Onsite Inspection, Free spare parts, Return and Replacement, Other
graphic design, 3D model design, total solution for projects, Cross Categories Consolidation, Others
garage shed, storage closet, poultry houses, Hotel, Villa, Apartment, Office Building, Hospital, School, Mall, Sports Venues, Leisure Facilities, supermarket, Warehouse, Workshop, Park, Farmhouse, Courtyard, Other, Kitchen, Bathroom, Home Office, Living Room, Bedroom, Dining, Babies and kids, Outdoor, Storage & Closet, Exterior, Wine Cellar, Entry, Hall, Home Bar, Staircase, Basement, Garage & Shed, Gym, Laundry
steel
Guangdong, China
Modern
Lifetime
Liyou
LYB-001
CE Certification
Industrial Commercial
C.Z Shape Steel Channel
Sliding Door
Customized Color
Sandwich Panel Optional
Aluminum Alloy Sliding Window
SAP2000/AutoCAD /PKPM /3D3S/TEKLA
Hot Dip Galvanized
25-60 days
No | Components | Specification | ||
Embedded Parts | ||||
1 | Anchor Bolt | M24 | ||
2 | High Strength Bolt | M20,10.9S | ||
3 | Common Bolt | M16 | ||
4 | Galvanized Bolt | M12 | ||
5 | Shear Nail | M16 | ||
6 | Tir rod | ∅32*2.5 | ||
Main Steel Structure Parts | ||||
1 | Steel Column (Q355B) | H550*300*10*16 | ||
2 | Wind Column (Q355B) | H400*220*6*10 | ||
3 | Roof Frame Beam (Q355B) | H900~500*220*10*12 H500~650*220*8*12 | ||
4 | Crane Beam (Q355B) | H650*320/240*10*16/14 | ||
5 | Tie Bar(Q235B) | ∅168*4.0 | ||
6 | Horizontal Brace (Q235B) | ∅168*4.0 | ||
7 | Column Brace (Q235B) | ∅25 | ||
8 | Angle Brace (Q235B) | L63*5.0 | ||
9 | Roof Purlin (Galvanized) | Z280*80*20*2.5 | ||
10 | Wall Purlin (Galvanized) | C250*75*20*2.5 | ||
11 | Connecting Plate | 6mm-30mm | ||
Other Steel Structure Parts | ||||
1 | Roof Panel | 50mm Rock wool Sandwich panel | ||
2 | Wall Panel | 50mm Rock wool Sandwich panel | ||
3 | Gutter | 2mm Galvanized Steel Plate | ||
4 | Down Pipe | PVC160 (Including parts) | ||
5 | Trimming | Color steel 0.5mm Gavanized steel panel |
No | Components | Specification | ||
Embedded Parts | ||||
1 | Anchor Bolt | M24 | ||
2 | High Strength Bolt | M20,10.9S | ||
3 | Common Bolt | M16 | ||
4 | Galvanized Bolt | M12 | ||
5 | Shear Nail | M16 | ||
6 | Tir rod | ∅32*2.5 | ||
Main Steel Structure Parts | ||||
1 | Steel Column (Q355B) | H550*300*10*16 | ||
2 | Wind Column (Q355B) | H400*220*6*10 | ||
3 | Roof Frame Beam (Q355B) | H900~500*220*10*12 H500~650*220*8*12 | ||
4 | Crane Beam (Q355B) | H650*320/240*10*16/14 | ||
5 | Tie Bar(Q235B) | ∅168*4.0 | ||
6 | Horizontal Brace (Q235B) | ∅168*4.0 | ||
7 | Column Brace (Q235B) | ∅25 | ||
8 | Angle Brace (Q235B) | L63*5.0 | ||
9 | Roof Purlin (Galvanized) | Z280*80*20*2.5 | ||
10 | Wall Purlin (Galvanized) | C250*75*20*2.5 | ||
11 | Connecting Plate | 6mm-30mm | ||
Other Steel Structure Parts | ||||
1 | Roof Panel | 50mm Rock wool Sandwich panel | ||
2 | Wall Panel | 50mm Rock wool Sandwich panel | ||
3 | Gutter | 2mm Galvanized Steel Plate | ||
4 | Down Pipe | PVC160 (Including parts) | ||
5 | Trimming | Color steel 0.5mm Gavanized steel panel |