Air handling units — model number CD-X. The complete factory specification follows. Made by Qingdao Dandb Steel Structure Co., Ltd. (1 year on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of These Air Handling Units
- Model Number: CD-X
- Material: Steel, Galvanized Steel, Structural Steel, Q235B Galvanized Steel, Q355B Galvanized Steel
- Warranty: More Than 5 Years
- Place Of Origin: Shandong, China
- Application: Warehouse, steel warehouse, Cold Storage, Food Processing, Logistics Center, Pharmaceutical Storage
- Product Type: Steel Structure Cold Storage
Technical Specifications
| Use | Cold Storage & Freezing |
|---|---|
| Material | Steel, Galvanized Steel, Structural Steel, Q235B Galvanized Steel, Q355B Galvanized Steel |
| Maximum Wind Resistance (Mph) | Max 150mph / 240km/h (Customizable) |
| Maximum Roof Load (Lb./Sq.Ft) | Max 3.0 kN/m2 (Customizable) |
| Application | Warehouse, steel warehouse, Cold Storage, Food Processing, Logistics Center, Pharmaceutical Storage |
| Warranty | More Than 5 Years |
| After-Sale Service | Online Technical Support, Onsite Installation, Onsite Training, Onsite Inspection |
| Product Type | Steel Structure Cold Storage |
| Project Solution Capability | graphic design, 3D model design, total solution for projects, Cross Categories Consolidation |
| Design Style | Industrial |
| Place Of Origin | Shandong, China |
| Brand Name | DB |
| Model Number | CD-X |
| Wall/Roof Panel | PU/PIR Sandwich Panel (Cam-lock / Tongue & Groove) |
| Connection Method | 100% High-Strength Bolted (No Welding) |
| Temperature Range | -40°C to +15°C (Blast Freezer to Chiller) |
| Panel Density | 40kg/m³ – 42kg/m³ |
| Surface Treatment | Hot-dip Galvanized / Epoxy Painted |
| Clear Span | 10m to 60m+ (No interior columns) |
| Cold Room Door | Heavy-duty Sliding Door / Hinged Door |
| Refrigeration System | Bitzer / Copeland / Danfoss Compressor Unit |
| Fire Retardant Grade | B1 / B2 Fireproof (Self-extinguishing) |
| Selling Units | Single item |
| Single Package Size | 80X80X80 cm |
| Single Gross Weight | 80.0 kg |
Product Details
- Clear Span Steel Warehouse Up To 80m Column-Free Storage Space
- Logistics & Storage Ready Optimized For Warehousing And Distribution Operations
- Fast Prefabricated Installation Factory-Made Components Reduce Construction Time
- Expandable Warehouse Design Flexible Layout For Future Capacity Expansion
- Climate Load Engineering Designed For Wind, Snow And Seismic Conditions
















Item | Specification |
Main Steel Frame | Q355B / ASTM A572 Grade 50 |
Surface Treatment | Hot-dip Galvanized / Anti-rust Painting |
Wind Load | 120–300 km/h |
Snow Load | 0.5–2.0 KN/m² |
Earthquake Resistance | Grade 8–9 |
Design Standard | ASTM / AISC / EN1090 |
Roof & Wall | EPS / Rock Wool / PU Sandwich Panel |
Service Life | 30–50 Years |
Drawing Software | Tekla / AutoCAD / SAP2000 |
Installation | Engineer Guidance + Installation Drawing |


Building type: Steel Structure Warehouse
Size:40x40x4.5MSteel Weight:37 tons
Roof and wall cladding:0.5mm thickness PPGI steel sheet


Building type: Steel warehouse
Size:2450㎡
Challenge: Fast construction and practical site execution
Solution: Prefabricated steel structure with efficient installation support
Result: Successfully delivered for high-wind and seismic zones with efficient on-site erection and reliable structural safety. Outcome:Enabled fast project execution and reliable long-term performance in challenging seismic and high-wind regions.


Building type: Steel warehouse
Size: 800㎡
Challenge: Cold climate and snow load
Solution: Customized structural design and reinforced roof system
Result: Successfully designed for heavy snow load conditions with reinforced roof structure, improving long-term durability and operational safety. Outcome: Improved operational reliability for heavy snow regions with durable structural performance and long service life.


Building type: Steel warehouse
Size:725 ㎡×4 sets(2900 ㎡)
Challenge: Hot, dry climate and remote site conditions
Solution: Customized steel building system and simplified erection process
Result: Customized for hot-climate environments with corrosion-resistant steel components and efficient field installation. Outcome: Enabled efficient on-site installation and reliable long-term use in hot and dry environmental conditions.




Main structure | Welded H steel, material grade: Q355B (equivalent to S355JR, ASTM A572 Gr. 50) | |
Anti-rust protection | Hot dip galvanized or anti-rust painting | |
Roof and wall | Single layer steel sheet or sandwich panel | |
ASTM / EN1090 project experience Exported to 80+ countries | ||












* Pre-shipment verification for every shipment
* Reduce installation errors and missing parts We guarantee 100% compliance with EN/ASTM standards, NO negative tolerance cheating
Support third-party factory inspection (SGS/TUV/BV) before order placement.














Ordering and Pricing
- Minimum order quantity: 200 square meter
- Volume pricing:
- 200–999 square meter: US $48 / square meter
- 1000–9999 square meter: US $38 / square meter
- 10000+ square meter: US $18.9 / square meter
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this air handling units?
The standard minimum order quantity is 200 square meter. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a More Than 5 Years warranty. Spare parts and technical support remain available after the warranty period.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Qingdao Dandb Steel Structure Co., Ltd., based in China. The company 1 years as a verified Alibaba.com supplier, Trading Company. Browse the full Qingdao Dandb Steel Structure Co., Ltd. range on HVACR Nexus.
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