This manual single-girder crane is a small and lightweight lifting device, suitable for assembly and maintenance operations in workshops without power supply or during power outages. The operating environment temperature should not be lower than -20°C.
The manual single-girder crane consists of a main beam, end beams, drive sprockets, gears, a manual monorail trolley, and a hoist.
The manual single-girder crane is a light-duty lifting device, widely used in places without power supply or during power outages, such as maintenance workshops, simple assembly lines, and temporary workstations. Thanks to its simple structure, flexible operation, and low cost, it is particularly suitable for low-frequency use and short-distance lifting tasks.
It operates within a wide temperature range (≥-20°C), allowing stable performance even in harsh industrial environments. The main components include the main beam, end beams, gear transmission system, manual monorail trolley, and chain hoist.
| Lifting capacity（t） | 1 | 2 | 3 | 5 | 10 | ||
| Lifting height（m） | 3-10 | ||||||
| Duty Class | A1-A3 | ||||||
| Travelling speed | Crane | m/min | 5.2 | 5.2 | 5.2 | 4.3 | 4.3 |
| Trolley | 5.3 | 5.9 | 4.7 | 4.7 | 4.2 | ||
| Track surface width（mm） | 37-51 | ||||||
1. Industry Position
Founded in 2006, Dafang Heavy Machinery covers an area of 1,580 acres and employs over 2,600 people. With an annual sales revenue of 3.566 billion RMB, the company focuses on two main business sectors: lifting machinery and steel structures. Major products include single and double girder bridge and gantry cranes, electric hoists, steel structure bridges, prefabricated buildings, and industrial plants. Dafang serves critical sectors such as military industry, aerospace, nuclear power, offshore engineering, metallurgy, and mining. Its products are exported to over 100 countries and regions, including the United States, Russia, and Southeast Asia.
Annually, Dafang manufactures 30,000 single-girder cranes, more than 12,000 double-girder and gantry cranes, and 30,000 electric hoists. Based on production scale, sales volume, and brand recognition, the company ranks among the top three in China’s crane industry.
2. Core Technologies
Dafang’s R&D team consists of over 260 members, including 104 with senior or intermediate engineering qualifications. The company invests 3.8% of its annual sales into technology development. It has obtained 12 international invention patents, 50 national invention patents, 415 utility model patents, and achieved 43 scientific and technological milestones. Dafang was the first in the industry to adopt anti-sway and automatic positioning technologies.
In 2016, Dafang became the first enterprise in Henan Province to implement smart crane applications and to introduce remote monitoring technology. The company also developed the multifunctional brewing crane, filling a domestic market gap. In 2021, Dafang was the first in the industry to be certified for unmanned intelligent cranes. In 2022, it undertook a project for a tower crane at a commercial satellite launch site.
3. Manufacturing Capability
Dafang Heavy Machinery is equipped with advanced in-house designed manufacturing equipment, including 1,500-ton press grooving machines, extrusion machines, and roller machines. The company has established leading domestic workshops, including an electrical assembly line, steel pre-processing line, paint finishing line, and China’s first practical single-girder lean production line. Precision machinery includes imported German NILES CNC gear grinding machines and Japanese MAZAK machining centers.
Dafang strictly follows refined manufacturing processes, adhering to the principle of “doing it right the first time, zero defects.” This commitment to quality is deeply ingrained in every employee, ensuring that every product delivered meets the highest standards.
4. Service Assurance
Dafang upholds a “comprehensive, high-quality” service standard, providing users with fast, attentive, and thorough one-stop services. With 24/7 online support, choosing Dafang means complete peace of mind. Just tell us what you need—we’ll take care of the rest.
Standard models typically range from 1 to 10 tons. Customization is available for special requirements.
No power supply is needed. It is fully manually operated, suitable for areas without electricity or during power outages.
Installation is relatively simple. Most customers can complete it with basic instructions.
Yes. We provide customized designs based on the customer’s facility structure and operational requirements.
