Qingdao Ruigang Steel Structure Co., Ltd. sales3@ruiganggroup.com 86--13370850031
Product Details
Place of Origin: China
Brand Name: RG_STEEL
Certification: SGS, BV,ISO
Model Number: RG_STEEL
Payment & Shipping Terms
Minimum Order Quantity: 199 Square Meter
Price: USD30-USD99 Per Square Meter/ Negotiable
Packaging Details: As request
Delivery Time: 30 Days
Payment Terms: L/C,T/T,Western Union
Supply Ability: 19999 Square Meter Per Month
Color: |
Client's Request |
Technician: |
Free Technical Support |
Certificates: |
SGS/Ce/ISO |
Origin: |
China |
Application: |
Industrial Pre Engineered Metal Buildings |
Advantage: |
Lightweight |
Lifespan: |
More Than 50 Years |
Aesthetics: |
Modern/Contemporary |
Surface: |
Galvanize Or Painted |
Cost: |
Cost-effective |
Color: |
Client's Request |
Technician: |
Free Technical Support |
Certificates: |
SGS/Ce/ISO |
Origin: |
China |
Application: |
Industrial Pre Engineered Metal Buildings |
Advantage: |
Lightweight |
Lifespan: |
More Than 50 Years |
Aesthetics: |
Modern/Contemporary |
Surface: |
Galvanize Or Painted |
Cost: |
Cost-effective |
Engineered steel structure factory equips global industrial enterprises with a resilient, cost-optimized infrastructure blueprint tailored for heavy equipment assembly, automated production lines, and continuous processing workshops. Manufactured on automated heavy steel fabrication lines, our pre-engineered industrial buildings feature wide clear-span structural frames that eliminate intrusive interior support columns.
This open floor configuration maximizes total usable plant footprint, optimizes overhead crane operations, streamlines raw material logistics, and clears unrestricted access routes for floor machinery. Calculated to withstand harsh environmental loads and intense dynamic operational vibration, Ruigang’s prefabricated steel factory systems deliver certified seismic resistance, robust fire safety ratings, and expedited field erection to secure your global manufacturing investment.
| Items | Detailed Specifications |
|---|---|
| Main Steel Frame(Column+Beam) | Q235,Q345 Welded H Section Steel |
| Secondary Frame | Purlin: Q235 C and Z purlin |
| Bracing: Q235 Round Bar,Angle Steel,Steel Pipe | |
| Roof and Wall | Insulation: EPS/Fiber glass wool/Rock wool/PU |
| Sheeting: PPGI single Sheet | |
| Design Standards | GB/T, AISC, Eurocode, or Local Building Codes Compliance |
| Accessories | Windows: Aluminum Alloy /PVC Window,etc. |
| Doors: Sliding/swing sandwich panel door/Roll-up Door | |
|
Draining system: Stainless/PPGI single sheet gutter+ PVC pipe |
|
| Anti-rust options |
Anti-rust painting(Alkyd/Epoxy) or Galvanized |
Direct-Factory Manufacturing & Quality Rigor: We eliminate trading intermediaries, enforcing strict ISO-compliant inspection protocols across all primary members, beam connections, bolt alignments, and structural welds.
Tailored Structural Calculations: Our in-house engineering group adapts structural blueprints to align with target destination building codes, precisely factoring in localized wind velocity, snow pressure, and ground motion dynamics.
Export-Centric Maritime Logistics: Located minutes from Qingdao Port, our logistics team executes specialized container packing algorithms and protective bundle wrapping to lower ocean transport costs and streamline import clearance.
Full-Cycle Technical Guidance: From initial 3D Tekla structural modeling and early-dispatch foundation anchor layouts to post-shipment field installation support, we maintain active engineering collaboration throughout your project lifecycle.
Case 1: High-Wind Industrial Foam Plant (Cebu, Philippines)
Footprint & Height: 45m x 19m x 7m
Framework & Surface Protection: Heavy H-section structural steel skeleton finished with alkyd anti-rust coating, supported by high-strength C-purlin secondary members.
Cladding & Accessories: V840 0.5mm profile steel roof sheets featuring 8.5mm aluminum foil insulation backing and stainless steel wire mesh; full masonry base wall; heavy steel security doors and 304 stainless steel drainage gutters.
Wind Design & Logistics: Engineered to resist severe tropical wind gusts up to 260km/h; fully consolidated and shipped using 3x40'HQ ocean containers.
Case 2: Agricultural Production Facility (Manila, Philippines)
Footprint & Height: 142m x 16m x 2.45m
Framework & Surface Protection: High-tensile H-steel main columns and roof trusses painted with protective anti-corrosion alkyd primer, supported by C-section purlins.
Cladding & Accessories: V840 0.4mm single-skin metal roof sheets paired with 100mm glass wool thermal blanket insulation; 50mm EPS sandwich wall panels; insulated access doors.
Wind Design & Logistics: Rated for extreme typhoon wind forces up to 250km/h; efficiently loaded and transported across 4x40'HQ containers.
Case 3: Heavy Material Processing Plant (Texas, USA)
Footprint & Height: 115.84m x 39.73m x 7.3m
Framework & Surface Protection: Precision-fabricated Q355B H-beam main frame sealed with high-durability epoxy protective paint, paired with cold-formed C-purlins.
Cladding & Accessories: V840 0.5mm roof panels and V900 0.5mm wall sheets forming a tight structural envelope to contain industrial dust and prevent moisture penetration.
Wind Design & Logistics: Engineered in full compliance with US structural wind standards (143mph wind rating); packaged and delivered via 7x40'HQ containers.
Interference-Free Tekla 3D Modeling: Our engineering team builds an exact 3D digital twin of your industrial factory using Tekla Structures. This virtual pre-assembly eliminates physical collision errors between primary rafters, secondary purlins, crane runway beams, and utility pass-throughs before steel cutting begins.
Sa2.5 Surface Blast Cleaning: Prior to painting or galvanizing, all steel profiles undergo high-velocity centrifugal shot blasting to an Sa2.5 surface cleanliness standard. Removing mill scale and rust creates an ideal surface profile that anchors anti-corrosion coatings for decades.
Regional Code Adaptation: We engineer structural components to conform with major international design codes, including US (ASTM), European (Eurocode), and Chinese (GB) standards, calculating exact resistance against severe wind shear, snow load accumulation, and seismic ground motion.
Freight Density Optimization: Leveraging our close proximity to Qingdao Port, we utilize 3D container staging software to interlock heavy steel members inside 40' HQ containers, maximizing payload density to reduce ocean transport costs.
Pre-Tensioned High-Strength Connection Nodes: Main structural frame connections—such as column-to-beam splices and ridge joints—are secured using Grade 10.9 high-tensile structural bolts. These pre-tensioned friction joints create rigid moment connections designed to absorb dynamic structural deflections and isolate the main frame from heavy crane vibrations.
Foundation Shear Lug Integration: To protect foundation anchor bolts from excessive horizontal shear forces generated by wind uplift or seismic movement, we weld heavy steel shear lugs directly beneath primary column baseplates. These lugs interlock into concrete foundation recesses, ensuring anchor bolts handle vertical tension forces exclusively.
Condensation-Free Fastening Technology: Standard metal fasteners piercing roof panels create thermal bridges that cause internal air moisture to condense on cold screw heads. Ruigang resolves this by implementing UV-stabilized thermal nylon insulation fasteners, breaking thermal pathways and preventing interior condensation dripping onto production machinery.
Architectural Flashing & Trim Sealed Boundaries: Critical building junctions—including eave edges, corner seams, and parapet margins—are enclosed with custom-bent galvanized flashing profiles sealed with high-tack butyl tape to prevent wind-driven water penetration.
Q1: You are manufacture factory or trading company?
We are direct manufacture factory, located in Qingdao, China, very close to Qingdao port. we have strictly quality management system,professional design team, strong production capacity and rich manufacturing experience.
Q2: 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.
Q3: 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.
Q4: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.
Q5: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
Q6: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.
Q7:Is your price competitive compared with other companies?
We are direct factory, yes, it`s competitive, price and quality are guaranteed.
Production Process
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Packing & Loading:
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Our Steel Structure Fabricaiton Factory:
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Certification
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Product Attributes
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