18-Mar-2025

Case Study: Dongqi Crane Provides Customized Overhead Crane Solutions for Indonesian Customer

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 highlights Dongqi Crane’s expertise in delivering tailored crane solutions for complex industrial needs. For Singaporean clients, this case demonstrates how Dongqi Crane can address specific operational requirements, including localized support, environmental adaptability, and efficient material handling.

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
QZ-Type Grab Double-Girder Overhead Crane

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
HD-Type Single-Girder Overhead Crane

Customer Requirements

1. Local Sourcing and Assembly

The Indonesian customer required crane girders to be sourced locally to reduce costs and support local manufacturing. Dongqi Crane provided detailed technical drawings and installation guidance to ensure seamless assembly.

2. Efficient Bulk Material Handling

The cranes were needed for handling bulk materials like coal and ore, requiring high grab efficiency, operational stability, and durability.

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

Given Indonesia’s tropical climate, the cranes needed excellent corrosion resistance and high-temperature tolerance.

4. Fast Delivery and Technical Support

The customer expected quick delivery of core components and remote technical support for installation and commissioning.

Solutions and Implementation

1. Customized Design

Dongqi Crane tailored the QZ-type grab crane and HD-type single-girder crane to meet the customer’s needs:

  • 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 for high-temperature and high-humidity environments.

2. Localized Support

Dongqi Hoisting provided detailed technical drawings and installation guidance, enabling the customer to source and assemble girders locally. Remote technical support ensured a smooth installation process.

3. Fast Delivery

Dongqi Crane completed production and delivered core components within the agreed timeframe, supported by efficient logistics.

4. Technical Support and Training

Comprehensive technical support and operator training were provided, including remote installation guidance, operation manuals, and on-site training.

Customer Feedback

1. Efficient Bulk Material Handling

The QZ-type grab crane’s efficiency and stability exceeded expectations, meeting all bulk material handling requirements.

2. Adaptation to Local Environment

The HD-type single-girder crane’s anti-corrosion design and high-temperature resistance performed exceptionally well in Indonesia’s tropical climate.

3. Localized Support

The customer praised Dongqi Crane’s localized support, which reduced costs and improved project efficiency.

4. After-Sales Service

Dongqi Crane’s responsive technical support and after-sales service were highly commended.

Relevance to Singaporean Clients

1. Customized Solutions

Dongqi Crane’s ability to customize cranes based on specific operational needs is highly relevant for Singaporean industries, such as logistics, manufacturing, and port operations.

2. Environmental Adaptability

Singapore’s tropical climate and high humidity require cranes with robust anti-corrosion and high-temperature resistance, similar to the Indonesian project.

3. Localized Support

Dongqi Crane’s experience in providing localized support ensures seamless integration of cranes into existing operations, minimizing downtime and costs.

4. Efficient Material Handling

The QZ-type grab crane’s efficiency in handling bulk materials is ideal for Singapore’s logistics and port sectors, where speed and precision are critical.

5. Compliance with Standards

Dongqi Crane adheres to international and local standards, ensuring cranes meet Singapore’s stringent safety and quality requirements.

Conclusion

The successful delivery of QZ-type grab double-girder cranes and HD-type single-girder cranes to the Indonesian customer showcases Dongqi Crane’s expertise in providing customized, efficient, and reliable crane solutions. For Singaporean clients, this case demonstrates how Dongqi Crane can address unique operational challenges, including environmental adaptability, localized support, and efficient material handling. By partnering with Dongqi Hoisting, Singaporean industries can enhance productivity, ensure safety, and achieve long-term operational success.

For more information on how Dongqi Crane can support your business, contact us today!