Pre-Engineered Steel Structure Warehouse for Residential and Commercial Use
All steel structure components are meticulously fabricated to meet the specific requirements of your project. We have the capability to manufacture directly according to your detailed drawings and specifications, ensuring a perfect fit for your design needs.
In addition, our customers can source structural steel produced to internationally recognized standards, including EN, DIN, ASTM, and JIS. This commitment to quality ensures that our products meet stringent global compliance requirements.
We also offer a range of overseas-standard sectional steel profiles, including IPE, IPN, UB, and W beams. To efficiently cater to large-scale projects, these sectional steel products are available with a minimum order quantity of 60 tons.
At TSIN, we are dedicated to providing high-quality solutions tailored to your specific project needs, ensuring both reliability and excellence in every component we deliver.
| 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, we adhere to all welding procedures in accordance with GB standards. Our dedicated Welding Inspectors are certified by the relevant government authorities.
We conduct non-destructive testing (NDT) in line with contract documents and applicable welding codes. As part of this process, we ensure that all inspections, test plans, and quality manuals are fully documented and maintained.
The tests we perform include:
- Dimension checks
- Visual examinations
- Ultrasonic testing
Whether manufacturing components for domestic structures, industrial buildings, or commercial projects, our precision fabrication minimizes onsite time and reduces associated labor costs.
At TSIN, we believe that the quality of our work is a defining feature of our services. We are committed to delivering exceptional quality products and services that reflect our dedication to excellence at every stage of the project lifecycle.
We implement extensive quality control measures to safeguard quality from start to finish, including inspections of all materials prior to and following fabrication.
Our team consists of highly trained and experienced professionals in fabrication and welding, enabling us to offer a wide variety of services tailored to meet your specific project requirements:
- Measuring, cutting, and welding steel
- Placing holes and cleats in the correct positions
- Packaging and carefully loading materials in the right sequence
- Dispatching to site and erecting if required
Frequently Asked Questions
Q1: Can I visit your factory before ordering?
A: Yes, we welcome factory visits. We can arrange airport pickup from Qingdao Airport and assist with hotel bookings.
Q2: How do we cooperate on a project?
A: Our process includes: 1) Reviewing your project requirements, 2) Providing free design drawings for your approval, 3) 30% deposit after contract signing, 4) Final design confirmation, 5) Production and final payment before shipment, 6) Optional installation support.
Q3: What is the price range?
A: Prices vary based on material quality, size, and design complexity, typically ranging from $19 to $100+ per square meter.
Q4: Do you provide installation service?
A: We provide detailed construction drawings and manuals. For additional support, we can send workers and engineers to your site (with costs covered by the buyer).
Q5: What is the delivery time?
A: Typically 30 days after deposit receipt, with partial shipments available for large orders.
Q6: What anti-rust treatments are available?
A: Options include: normal anti-rust paint, epoxy zinc primer, hot-dip galvanization, hot-dip galvanization with PU finish, or stainless steel structures (301/304/316).
Q7: How is quality controlled?
A: Our products meet CE EN1090 and ISO9001:2008 standards. We provide quality inspection reports to verify materials and manufacturing processes.
