Project Background

In 2024, Dongqi Crane successfully manufactured and delivered 3 QZ-type grab double-girder overhead cranes with a lifting capacity of 6.3 tons and 3 HD-type single-girder overhead cranes with a lifting capacity of 7.5 tons to an Indonesian customer. This project marks another successful case for Dongqi Crane in the Southeast Asian market, showcasing the company’s expertise in crane design, manufacturing, and delivery. For this collaboration, the crane girders were locally sourced by the customer in Indonesia, while Dongqi Crane provided core components, technical support, and comprehensive solutions.

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Product Specifications and Performance

QZ-Type Grab Double-Girder Overhead Crane

• Lifting Capacity: 6.3 tons
• Span: 24m
• Duty Class: A5 (suitable for frequent use)
• Grab Type: Designed for bulk material handling, such as coal, ore, and gravel
• Operating Speeds:
• Hoisting speed: 8-10 m/min
• Trolley travel speed: 20-30 m/min
• Bridge travel speed: 30-40 m/min
• Control System: Frequency conversion control for smooth operation and precise positioning
• Safety Devices: Overload protection, limit switches, emergency stop buttons

HD-Type Single-Girder Overhead Crane

• Lifting Capacity: 7.5 tons
• Span: 24m
• Duty Class: A3 (suitable for moderate use frequency)
• Operating Speeds:
• Hoisting speed: 7-9 m/min
• Trolley travel speed: 20-25 m/min
• Bridge travel speed: 25-35 m/min
• Structural Features: Lightweight design, suitable for small to medium workshops or warehouses
• Safety Devices: Overload protection, limit switches, emergency stop buttons

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Customer Requirements

1. Local Sourcing and Assembly

The customer required the crane girders to be sourced locally in Indonesia to reduce transportation costs and support local manufacturing. Dongqi Crane provided detailed technical drawings and installation guidance to ensure the customer could successfully complete the procurement and assembly of the girders.

2. Efficient Bulk Material Handling

The customer needed the cranes for handling bulk materials such as coal and ore, requiring high grab efficiency, operational stability, and durability.

3. Adaptation to High-Temperature and High-Humidity Environments

Located in a tropical region, Indonesia experiences high temperatures and humidity. The customer required the cranes to have excellent corrosion resistance and high-temperature tolerance.

4. Fast Delivery and Technical Support

The customer expected Dongqi Crane to complete the manufacturing and delivery of core components within a short timeframe and provide remote technical support to ensure smooth installation and commissioning.

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Solutions and Implementation

1. Customized Design

Dongqi Crane customized the QZ-type grab double-girder crane and HD-type single-girder crane based on the customer’s requirements:

• QZ-Type Grab Crane: Optimized grab structure for improved efficiency; equipped with a frequency conversion control system for smooth operation.
• HD-Type Single-Girder Crane: Lightweight design to reduce energy consumption; enhanced anti-corrosion treatment to adapt to high-temperature and high-humidity environments.

2. Localized Support

Dongqi Crane provided detailed technical drawings and installation guidance, assisting the customer in sourcing and assembling the girders locally in Indonesia. Additionally, the company dispatched a technical team for remote guidance to ensure a smooth installation process.

3. Fast Delivery

Dongqi Crane initiated production promptly after contract signing, ensuring the timely delivery of core components. Efficient logistics arrangements ensured all parts arrived at the customer’s site within the agreed timeframe.

4. Technical Support and Training

Dongqi Crane offered comprehensive technical support and operator training, including:

• Remote installation guidance
• Operation manuals and maintenance guides
• Operator training

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Customer Feedback

1. Efficient Bulk Material Handling

The customer highly praised the grab efficiency and operational stability of the QZ-type grab crane, stating that it fully met their bulk material handling needs.

2. Adaptation to Local Environment

The anti-corrosion design and high-temperature resistance of the HD-type single-girder crane were well-received, with the equipment operating stably in high-temperature and high-humidity conditions.

3. Localized Support

The customer expressed satisfaction with Dongqi Crane’s localized support, noting that it not only reduced costs but also improved project execution efficiency.

4. After-Sales Service

The customer highly commended Dongqi Crane’s technical support and after-sales service, highlighting the company’s quick response and timely problem resolution.

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Project Outcomes and Significance

1. Meeting Customer Requirements

Through customized design and localized support, Dongqi Crane successfully met the customer’s needs for efficient bulk material handling, environmental adaptability, and fast delivery.

2. Enhancing Customer Productivity

The deployment of the QZ-type grab crane and HD-type single-girder crane significantly improved the customer’s material handling efficiency and reduced labor costs.

3. Strengthening International Collaboration

This project further solidified Dongqi Crane’s presence in the Southeast Asian market, laying a strong foundation for future collaborations with Indonesia and other Southeast Asian countries.

4. Demonstrating Technical Expertise

The project showcased Dongqi Crane’s comprehensive capabilities in crane design, manufacturing, and technical support, earning the customer’s trust and recognition.

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Conclusion

Dongqi Crane’s delivery of the QZ-type grab double-girder overhead crane and HD-type single-girder overhead crane to the Indonesian customer not only met the customer’s requirements for efficient bulk material handling and localized support but also demonstrated the company’s professional capabilities in international projects. Moving forward, Dongqi Crane will continue to uphold its philosophy of “customer first, quality as the foundation” to provide superior crane solutions to global customers.