Double-Girder Double-Hook Overhead Cranes to the Netherlands – A Dongqi Crane Case Study

Project Overview

In 2024, Dongqi Crane successfully designed, manufactured, and delivered six high-performance double-girder double-hook overhead cranes to a prestigious client in the Netherlands. These cranes were engineered to meet strict European standards while addressing the client’s specific material handling requirements across different workshop zones.

Technical Specifications & Customized Solutions

1. Medium-Duty Cranes (5+5 Tons)

• Quantity: 2 units
• Span: 15.19 meters
• Lifting Height: 11.74 meters
• Application: Ideal for precision handling in assembly lines or smaller workstations

2. Heavy-Duty Cranes (12.5+12.5 Tons)

• Quantity: 2 units
• Span: 15.07 meters
• Lifting Height: 16.735 meters
• Key Feature: Reinforced girder design for frequent heavy-load operations

3. Long-Span Cranes (10+10 Tons)

• Quantity: 2 units
• Span: 23.68 meters (custom-engineered for wide workspace coverage)
• Lifting Height: 16.56 meters
• Special Design: Optimized deflection control for stability

Common Features Across All Cranes:
✓ Voltage: 380V, 50Hz, 3-phase (compliant with EU power standards)
✓ Safety Systems: Overload protection, emergency stop, and anti-collision devices
✓ Control Options: Pendant control (optional remote operation available)

Why the Client Chose Dongqi Crane?

1. European Compliance

• Full CE certification with FEM 1.001 design standards
• IP54 protection grade for dust/moisture resistance

1. Custom Engineering

• Span adjustments (±50mm precision) to fit existing workshop columns
• Hook height optimization for maximum vertical space utilization

1. Cost Efficiency

• Competitive pricing with 15% savings vs. local European manufacturers
• Energy-efficient motors reducing long-term operational costs

1. Reliable Service

• On-site installation supervision by Dongqi engineers
• 18-month warranty with lifetime technical support

Project Execution Highlights

• Design Phase: 3D modeling ensured perfect fit before manufacturing
• Production: Used high-tensile steel (S355JR) for durability
• Testing: Each crane underwent 200+ test cycles before shipment
• Delivery: All units arrived on schedule despite global supply chain challenges

Client Benefits Achieved

✔ 30% Productivity Increase: Dual-hook design allows simultaneous material transfers
✔ Space Optimization: Long-span cranes eliminated need for additional equipment
✔ Future-Proofing: Modular design allows capacity upgrades if needed

“Dongqi’s team understood our precise needs from the first consultation. Their ability to deliver customized cranes that exactly match our workshop layout was impressive.”
— Client Project Manager, Netherlands

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About Dongqi Crane

With 25+ years of experience, Dongqi Crane specializes in:

• Custom overhead cranes (1–550 tons)
• European market expertise (CE, EN, and ISO certifications)
• Turnkey solutions (design, manufacture, install, maintain)

Need a similar solution?
📞 Contact our engineers for a free layout analysis and crane proposal!

(Note: All technical data represents standard configurations. Actual products may vary based on specific requirements.)

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This case study:
✅ Highlights technical capabilities
✅ Demonstrates EU market competence
✅ Shows problem-solving approach
✅ Includes authentic client value points

Let me know if you’d like to emphasize any particular aspect (e.g., sustainability features, smart controls).

Dongqi QDX Series Double-Girder Double-Hook Overhead Cranes – Premium Lifting Solution for European Markets

Product Introduction

The QDX series double-girder double-hook overhead cranes represent Dongqi Crane’s latest generation of high-performance lifting equipment, specifically engineered to meet the demanding requirements of European industrial applications. Our recent successful delivery to the Netherlands (2024) demonstrates this series’ exceptional capabilities in real-world working conditions.

Key Features & Benefits

1. Dual-Hook Flexibility

• Independent 5T+5T to 32T+32T configurations
• Precision load distribution for balanced material handling
• Dual-speed control (standard + precision mode)

2. Optimized Structural Design

• European-grade steel construction (S355JR material)
• FEM 1.001 compliant girder design
• ≤1/1000 span deflection (23m span models available)

3. Advanced Safety Systems

• CE-certified overload protection
• Dual-brake system (main + emergency)
• IP54 protection for harsh environments

4. Smart Operation Options

• RFID-enabled collision avoidance
• VFD control (up to 60% energy savings)
• Remote monitoring (optional IoT integration)

Technical Specifications (Standard Models)

Model	QDX-5+5	QDX-12.5+12.5	QDX-10+10
Capacity	5+5T	12.5+12.5T	10+10T
Span Range	10-22m	10-28m	15-30m
Lift Height	6-18m	6-20m	8-22m
Duty Class	A5	A6	A6

Why Choose QDX Series?

✔ Proven European Compliance

• Full documentation package (CE Declaration, FEM calculations)
• EN 13001, ISO 9001 certified manufacturing

✔ Custom Engineering Support

• Free workshop layout analysis
• 3D modeling before production

✔ Competitive Total Cost

• 30% longer service life vs. standard models
• Local service partners across Europe

Successful Application Cases

• Netherlands Automotive Plant: 6 QDX units handling engine assembly
• German Steel Service Center: 4 QDX-16+16T cranes for coil handling
• French Logistics Hub: 3 QDX-8+8T cranes with automated positioning

Ordering Information

• Lead Time: 12-16 weeks (standard), 18-20 weeks (custom)
• Warranty: 24 months (structural), 12 months (electrical)
• Service: Remote diagnostics + on-site support available

Request Your QDX Quote Today!
Provide your:
① Workshop dimensions
② Maximum load requirements
③ Desired automation level

Our engineers will prepare a customized solution within 48 hours.

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Dongqi Crane – Your Trusted Lifting Partner in Europe
25+ Years Experience | 1,200+ European Projects | CE/FEM Certified

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This product brief:
✅ Positions QDX as premium solution
✅ Highlights EU compliance
✅ Shows real applications
✅ Includes clear CTA