Qingdao Ruigang Steel Structure Co., Ltd.
| Payment Terms | L/C,T/T,Western Union |
| Certificates | SGS/Ce/ISO |
| Surface | Galvanize or Painted |
| Color | Client's Request |
| Packaging Details | As request |
| Technician | Free technical support |
| Delivery Time | 30 Days |
| Cost | Cost-effective |
| Application | Industrial Pre Engineered Metal Buildings |
| Supply Ability | 19999 Square Meter Per Month |
| Aesthetics | Modern/Contemporary |
| Lifespan | More than 50 years |
| Advantage | Lightweight |
| Origin | China |
| Brand Name | RG_STEEL |
| Model Number | RG_STEEL |
| Certification | SGS, BV,ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,Western Union | Certificates | SGS/Ce/ISO |
| Surface | Galvanize or Painted | Color | Client's Request |
| Packaging Details | As request | Technician | Free technical support |
| Delivery Time | 30 Days | Cost | Cost-effective |
| Application | Industrial Pre Engineered Metal Buildings | Supply Ability | 19999 Square Meter Per Month |
| Aesthetics | Modern/Contemporary | Lifespan | More than 50 years |
| Advantage | Lightweight | Origin | China |
| Brand Name | RG_STEEL | Model Number | RG_STEEL |
| Certification | SGS, BV,ISO | Place of Origin | China |
| High Light | galvanized steel water tank tower ，prefab elevated storage tower ，industrial water storage platform | ||
Modular Elevated Steel Water Tower Frameworks provide reliable, gravity-driven water pressure for municipal networks, agricultural zones, and heavy industrial facilities. Manufactured by Qingdao Ruigang Steel Structure Co., Ltd., each tower structure uses certified high-tensile steel hot-dip galvanized to insulate the material against humid coastal climates, soil acidity, and aggressive tropical atmospheric conditions. Pre-fabricated, pre-punched, and pre-inspected before export, our modular frames substantially reduce local labor costs and equipment dependencies on site.
| 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 |
High-Precision Shop Equipment: Advanced CNC multi-spindle drilling rigs, automated submerged arc welding (SAW) gantries, plasma cutting tables, and high-pressure shot-blasting chambers.
Compliance with Global Codes: Manufacturing processes comply with ISO 9001 quality benchmarks, AWS D1.1 structural welding protocols, and EN 1090-2 (CE mark) execution specifications.
Advanced 3D Modeling: In-house structural designers utilize Tekla Structures and AutoCAD to generate full-scale 3D models, precise anchor bolt patterns, and detailed wind-load calculations.
Streamlined Container Logistics: Direct proximity to Qingdao Port enables optimized container loading (20GP / 40HQ), safeguarding materials against ocean transit damage while keeping freight overheads low.
Rigorous Verification: Every component undergoes trial pre-assembly checks, non-destructive ultrasonic testing (UT) on critical welds, and micrometric zinc-coating thickness measurement.
| Region / Country | Application Field | Frame Elevation & Scale | Vessel Configuration | Key Structural Features |
| West Africa (Nigeria) | Municipal Potable Water Infrastructure | 20 Meters (66 ft) | 250 m³ Pressed Sectional Steel Tank | Designed to support high daily load cycles; hot-dip galvanized finish resists humid coastal air near the Gulf of Guinea. |
| East Africa (Tanzania) | Commercial Agricultural & Irrigation | 15 Meters (49 ft) | 120 m³ Modular FRP / GRP Vessel | Lightweight modular column system optimized for quick manual erection in rural, off-grid farm developments. |
| Central Africa (DR Congo) | Remote Mining Camp Utility Reserve | 25 Meters (82 ft) | 180 m³ Glass-Fused-to-Steel (GFS) Tank | Heavy-gauge diagonal bracing matrix calculated to withstand high wind shear and equatorial thermal fluctuations. |
| North Africa (Algeria) | Industrial Park Emergency Fire Supply | 18 Meters (59 ft) | 150 m³ Food-Grade Stainless Steel (SS304) | Full seismic-resistant frame design compliant with Eurocode 3 standards without requiring any onsite field welding. |
Certified Structural Grade Steel: Built with premium Q235B and Q355B structural sections (equivalent to ASTM A36 / A572 Grade 50) for exceptional strength-to-weight ratios.
Lateral Load Dissipation: Custom X-bracing and horizontal tie beams distribute dynamic loads evenly across foundation anchor points, meeting AISC and Eurocode requirements.
Reliable Gravity Pressure: Strategic elevation positioning creates constant downstream hydrostatic head, eliminating continuous pump operations and lowering power costs.
Hot-Dip Galvanizing (HDG): Thermal immersion zinc treatment per ISO 1461 / ASTM A123 guarantees 30+ years of maintenance-free service life.
Optional Multi-Layer Paint Systems: Specialty epoxy primers and aliphatic polyurethane topcoats are available for hyper-saline maritime or chemical environments.
Pre-Engineered Precision: Every plate, flange, and beam is factory-drilled and pre-fitted to ensure seamless alignment during site erection.
Zero Onsite Welding Required: Fastened 100% with high-tensile structural bolts (Grade 8.8 / 10.9), eliminating the need for specialized welders or field X-ray inspection.
Optimized Transport Bundling: Structural members are compactly packed into standard ocean containers to minimize shipping volumes.
Sectional Galvanized Steel Panel Tanks
Glass-Fused-to-Steel (GFS) Bolted Tanks
Fiberglass (FRP / GRP) Modular Vessels
Food-Grade Stainless Steel (SS304 / SS316) Vessels
Encased Access Ladders: Vertical climbing ladders equipped with safety cages and intermediate rest platforms.
Upper Inspection Platforms: Anti-slip galvanized steel grating walkways with full perimeter guardrails for safe maintenance operations.
Piping Support Brackets: Factory-welded brackets to secure inlet, outlet, overflow, and drain lines.
Caged Access Ladders: Rest platforms and protective safety cages designed to international OSHA standards.
Anti-Slip Service Platforms: Galvanized steel grating walkways with perimeter handrails for safe routine inspection.
Integral Pipe Support Racks: Pre-fabricated brackets to route and secure vertical supply, overflow, and distribution pipework.
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
Packing & Loading:
Our Steel Structure Fabricaiton Factory:
Certification
Product Attributes
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
80000000-100000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Qingdao Ruigang Steel Structure Co., Ltd. (hereafter referred as Ruigang) is a national high-tech enterprise specialized in design, manufacture and installation of steel structure buildings and prefabricated houses. Ruigang is located in the West Coast New District of Qingdao, about 30 kilometers... Qingdao Ruigang Steel Structure Co., Ltd. (hereafter referred as Ruigang) is a national high-tech enterprise specialized in design, manufacture and installation of steel structure buildings and prefabricated houses. Ruigang is located in the West Coast New District of Qingdao, about 30 kilometers...
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