Lower Carbon Footprint:
At Liyou, we specialize in structural steel inspection to guarantee the safety, reliability, and compliance of steel structures across industries. Our inspection services cover material quality, welding integrity, dimensional accuracy, and protective coatings, ensuring that every component meets international engineering standards. With advanced testing methods and professional expertise, Liyou delivers dependable inspection solutions that reduce risks, extend service life, and optimize project performance.
Comprehensive Quality Control – Covers raw materials, fabrication, welding, and assembly.
Advanced Testing Methods – Includes ultrasonic testing, magnetic particle testing, radiographic inspection, and dye penetrant testing.
Weld Integrity Verification – Ensures all welds meet strength and durability requirements.
Dimensional & Alignment Checks – Confirms precision in fabrication and assembly.
Corrosion Protection Inspection – Evaluates coating quality for long-term durability.
Infrastructure Projects: Bridges, railways, airports, and highways
Industrial Facilities: Oil & gas, power plants, and manufacturing complexes
Commercial Construction: Stadiums, high-rise buildings, and shopping malls
Steel Fabrication Workshops: Quality validation before delivery and installation
Maintenance & Repair: Periodic inspections for aging or heavily loaded structures
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1. Anchor Bolt and Fastener Part
| No. | Item | Specification |
| 1 | Anchor bolt 1 | M20×400 |
| 2 | Anchor bolt 2 | M16×260 |
| 3 | High-strength bolt | M20, M16, 8.8S |
| 4 | Common bolt | M16 |
| 5 | Galvanized bolt | M12 |
| 6 | Turnbuckle bolt | M16 |
| 7 | Sag rod | Ø12 |
2. Main Steel Structure Part
| No. | Item | Specification |
| 1 | Steel column (Q235B) | HN396×200×7×11 |
| 2 | Wind column (Q235B) | SHS150×100×5.0 |
| 3 | Roof truss beam (Q235B) | HN396×200×7×11 |
| 4 | Floor main beam (Q235B) | HN600×200×11×17 |
| 5 | Tie bar (Q235B) | SHS100×100×5.0 |
| 6 | Horizontal/Column brace (Q235B) | Ø16 |
| 7 | Steel stairs | [250#、[200#、[160# channel steel, 4mm checkered plate] |
| 8 | Angle brace (Q235B) | L50×6.0 |
| 9 | Roof purlin (Q355B) | C250×75×20×2.0 |
| 10 | Wall purlin (Q355B) | C250×75×20×2.0 |
| 11 | Connecting plate (Q235B) | 6mm–16mm |
3. Enclosure Part
| No. | Item | Specification |
| 1 | Roof plate | 0.6mm thick, type 840 steel sheet |
| 2 | Exterior wall | 0.6mm thick, type 900 steel sheet |
| 3 | Steel man door | 910×2010×2 |
| 4 | Stainless steel handrail | 1.1m high |
| 5 | Roof ventilator | 600×600 |
| 6 | Gutter | 2.0mm galvanized |
| 7 | Downpipe | Ø110 PVC |
| 8 | Trimming | 0.55mm thick steel plate |
| 9 | Hardware accessories | Nails, supports, structural glue, etc. |
1. Anchor Bolt and Fastener Part
| No. | Item | Specification |
| 1 | Anchor bolt 1 | M20×400 |
| 2 | Anchor bolt 2 | M16×260 |
| 3 | High-strength bolt | M20, M16, 8.8S |
| 4 | Common bolt | M16 |
| 5 | Galvanized bolt | M12 |
| 6 | Turnbuckle bolt | M16 |
| 7 | Sag rod | Ø12 |
2. Main Steel Structure Part
| No. | Item | Specification |
| 1 | Steel column (Q235B) | HN396×200×7×11 |
| 2 | Wind column (Q235B) | SHS150×100×5.0 |
| 3 | Roof truss beam (Q235B) | HN396×200×7×11 |
| 4 | Floor main beam (Q235B) | HN600×200×11×17 |
| 5 | Tie bar (Q235B) | SHS100×100×5.0 |
| 6 | Horizontal/Column brace (Q235B) | Ø16 |
| 7 | Steel stairs | [250#、[200#、[160# channel steel, 4mm checkered plate] |
| 8 | Angle brace (Q235B) | L50×6.0 |
| 9 | Roof purlin (Q355B) | C250×75×20×2.0 |
| 10 | Wall purlin (Q355B) | C250×75×20×2.0 |
| 11 | Connecting plate (Q235B) | 6mm–16mm |
3. Enclosure Part
| No. | Item | Specification |
| 1 | Roof plate | 0.6mm thick, type 840 steel sheet |
| 2 | Exterior wall | 0.6mm thick, type 900 steel sheet |
| 3 | Steel man door | 910×2010×2 |
| 4 | Stainless steel handrail | 1.1m high |
| 5 | Roof ventilator | 600×600 |
| 6 | Gutter | 2.0mm galvanized |
| 7 | Downpipe | Ø110 PVC |
| 8 | Trimming | 0.55mm thick steel plate |
| 9 | Hardware accessories | Nails, supports, structural glue, etc. |