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| Categories | Steel Structure Warehouse |
|---|---|
| Brand Name: | TSIN |
| Model Number: | TSIN |
| Certification: | ISO, CE, SGS |
| Place of Origin: | Shandong, China |
| MOQ: | 1000 sqm |
| Price: | USD 40-60 / sqm |
| Payment Terms: | T/T,L/C |
| Supply Ability: | 100,000 sqm / month |
| Delivery Time: | 25-40 Days |
| Packaging Details: | Packed on steel pallet with fixture and loaded into 40'HQ/OT |
| Type: | Portal Frame Structure |
| Portal Frame Structure: | SketchUP/AutoCAD/PKPM/3D3S/TEKLA |
| Material: | Q235B/Q355B Steel |
| Main frame: | Welded H-shape Steel Beam |
| Welding method: | SAW, MIG,GMAW |
| Surface treatment: | Anti-corrosive paint or hot dipped galvanized |
| Life Time: | Main Structure 35-50 Years |
| Material Grade: | Q355B, Q235B |
| Structure type: | Portal frame |
| Design Load: | Wind, Snow, Seismic |
| Design software: | PKPM, Tekla structures, CAD |
| Sand blasting: | Sa 2.5 |
| Company Info. |
| Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
At TSIN, we specialize in the tailored fabrication of steel structure components designed to meet your unique project requirements. Our flexible manufacturing capabilities enable us to produce components precisely according to your provided drawings and specifications, ensuring seamless integration with your project design.
For our global clients with specific material standards, we offer structural steel fabricated from overseas-standard materials, ensuring compliance with EN, DIN, ASTM, and JIS standards. This guarantees compatibility with international construction codes and project specifications across various regions.
Additionally, we provide access to overseas sectional steel profiles, including IPE, IPN, UB, and W beams. Please note that these sectional steel products are available with a minimum order quantity of 60 tons, allowing us to efficiently meet large-scale project needs while maintaining cost-effectiveness.


| Products | Steel structure Fabrication |
|---|---|
| Material | Q235B, Q345B, S235JR, S355JR, SS400, A36, A572Gr50, A992 |
| Surface treatment | 1. Painting; 2. Galvanized; |
| Certification | ISO9001, ISO14001, OHSAS18001, EN1090, ISO3834 |
| Standard | GB, ASTM, EN, ISO, AS/ANS |
| Specification | Per drawing |
| Place of Origin | Shandong, China |
| MOQ | 20 Tons |
| Application | Steel Warehouse, Steel Workshop, Multi-storey Building |

Welding Procedures
At TSIN, all welding is performed in strict accordance with GB standards, supervised by our dedicated Welding Inspectors certified by government authorities.
We conduct comprehensive non-destructive testing (NDT) following contract specifications and applicable welding codes. This includes thorough documentation and maintenance of all inspections, test plans, and quality manuals to ensure traceability and quality control.
Our testing methods include:
Dimension checks
Visual examinations
Ultrasonic testing
Whether manufacturing domestic, industrial, or commercial steel structures, our precise fabrication minimizes onsite construction time and labor costs.
Commitment to Quality
Quality is a defining feature of our service. We are dedicated to
delivering exceptional products and consistent service excellence
throughout every stage of the project lifecycle.
Our extensive quality control measures cover all materials before and after fabrication, safeguarding the integrity of each component.
Professional Fabrication Services
TSIN employs highly trained and experienced fabrication and welding
professionals, enabling us to offer a wide range of fabrication
services tailored to your project requirements.
Our process includes:
Measuring, cutting, and welding steel components
Precisely placing holes and cleats
Packaging and loading components in the correct sequence
Dispatching to site and erecting, if required

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