Customized High Quality Prefabricated Steel Structure Building With Sandwich Panel
Description
Structural steel buildings rely on an engineered frame (e.g., I-beams, HSS) for optimized load bearing. Factory prefabrication is crucial, drastically accelerating the on-site assembly process. Leveraging the material's exceptional strength-to-weight ratio, steel is the ideal choice for tall and expansive developments, guaranteeing superior seismic stability and unparalleled architectural versatility.
| ITEMS | SPECIFICATION |
| Main Steel | Q355, Q235, Q355B, Q235B, etc. |
| Anti-rust protection | Hot-dip galvanized or anti-rust painting |
| Purlin and girts | Cold-rolled C or Z steel, Q355 or Q235 |
| Column & Beam | Welded or Hot rolled H-section |
| Connection method of steel structure | Welding connection or bolt connection |
| Wall & Roof | Sandwich panel or steel sheet. |
| Door | Rolled up door or Sliding door |
| Window | Plastic steel or Aluminum alloy window |
| Surface | Hot-dip galvanized or painted |
| Crane | 5MT, 10MT, 15MT, and more |

Painting system on peb steel structure surface:
The two primary methods for protecting structural steel are Anti-Rust Painting and Hot-Dip Galvanization (HDG).
Anti-Rust Painting establishes a multi-layered physical seal against environmental damage. This demanding process requires meticulous surface preparation, like blast cleaning, for proper adhesion of the corrosion-inhibiting primer, thickness coats, and the final color/UV-resistant layer. While offering great design flexibility and simple field repairability, its ultimate lifespan is directly tied to the quality of the initial application.
Hot-Dip Galvanization (HDG) provides a substantially more durable, long-term solution. Cleaned steel is submerged in molten zinc, forming an extremely tough zinc-iron alloy bond metallurgically. HDG's strength comes from its powerful dual defense: it acts as a superior physical barrier and delivers sacrificial (cathodic) protection, shielding the steel from corrosion even when the coating is breached. This ensures complete, uniform coverage and a service life often extending for decades without maintenance.
Common Applications of Steel Structure Building:
Industrial & Warehousing: Steel is essential here, providing the unobstructed wide spans that allow factories and distribution centers to accommodate heavy machinery and adaptable workflows.
Commercial & High-Rise: Indispensable for skyscrapers and commercial centers. Steel frames easily withstand extreme lateral loads, making expansive, open-plan interiors possible.
Civil Works & Transit: Used extensively in bridges, transport hubs, and airports, valued for its inherent durability and the ability to rapidly assemble complex, large-scale infrastructure.
Specialty Design: It's the required material for projects like stadiums and hangars when the architecture demands specialized shapes and the longest possible clear spans.
Housing & Utility: Steel forms the robust, economical framework for farm buildings and is a rapidly growing component in modern multi-story and modular housing construction.
Why Us?
Value Engineering: Our design team customizes solutions through precise calculation and material optimization, resulting in highly efficient and cost-effective structures.
Precision Manufacturing: Leveraging advanced technology, our skilled crew guarantees unmatched component accuracy and strict quality control on every steel part manufactured.
Seamless Management: We function as your integrated partner, offering a simple, end-to-end service that expertly manages every stage of your project, from design concept through final erection.
Assured Quality: Our excellence is guaranteed by adherence to international standards and is backed by dependable, responsive support long after installation, ensuring total client satisfaction.
Packing & Loading:
Secure Transit: We secure every component with reinforced, damage-resistant packaging, establishing a reliable barrier to ensure your materials are protected throughout transportation.
Container Optimization: Utilizing specialized gear, our team expertly loads 40-foot high cube containers. This process guarantees maximum space efficiency while strictly maintaining meticulous material handling standards.
Timely Delivery: A rigorous, integrated logistics system is in place to guarantee that all materials reach your construction site on schedule and without issue.

FAQ:
1. You are manufacture factory or trading company?
As a direct manufacturing facility based in Qingdao, China—just a stone's throw away from the Qingdao Port—we pride ourselves on our stringent quality management system, expert design team, robust production capabilities, and extensive manufacturing experience.
2. How about your quality control?
1)we only cooperate with high-quality raw material suppliers with strength and reputation, and our quality inspection department will conduct
100% strict testing on the raw materials before entering our factory.
2) our workers are all certified and regularly assessed, In this way, we can guarantee the production quality.
3)During the production process, we have three parts: self-inspection, mutual inspection, and workshop inspection. Only qualified product can move to next step.
4) Before delivery, inspection working will check everything with delivery list, to ensure that we send you every items and you can install it locally.
3.What's the delivery time?
Usually 30 days. Don't worry about the delivery time at all, we have perfect management plan for each project, then deliver to you on time.
4. Do you offer service for installation?
Yes,But we will provide very detailed installation drawings and videos. Generally, you can install it locally,they are all prefabricated and bolted.
Otherwise , we can also send engineer for guiding installation.
5. What's the payment term?
We have two payment terms.
1) 30% advance payment before producing by T/T, and 70% balance by T/T before shipping.
2) 100% irrevoable L/C
6. How to get a fast quotation?
Please send us your project preliminary drawing, then we would quote you accordingly in 2days. Or we confirm several questions with you, then do quotation list with details for you timely.
7. Is your price competitive compared with other companies?
We are direct factory, yes, it`s competitive, price and quality are guaranteed.
Our Steel Structure Fabricaiton Factory
Qingdao Ruigang Heavy Industry Co., Ltd. is your comprehensive partner for steel structure solutions. We provide a seamless, design-to-installation service, expertly managing your project through every stage. Our dedication to high-quality, sustainable buildings is fueled by the expertise of 115 professionals and our 50,000 m² modern facility. Strategically positioned in the West Coast New District, we are just 30 kilometers from Qingdao Port.



Certification

Product Attributes
