
Qtz315 (TCT7530-20) Topless Construction Building Tower Crane
* Complete installation time shortened by 3 hours compared to the industry.
* Boom length 60m ~ 30m, 5m each variable arm, 7 kinds of arm length combinations.
We are committed to the development of domestic products, provide high-quality 8 Tons Luffing Tower Crane, 8 Tons Hammerhead Tower Crane, Derrick Crane for domestic and international markets, and have formed large-scale production. We have a good reputation for stable quality products, well received by customers at home and abroad. We thank new and old customers for their trust with the best products, the best quality, the lowest price, and the most complete service. We focus on technology research and development, and continue to innovate with our advanced production equipment. We are making great efforts to achieve this win-win situation.
QTZ7052-20 Tons Hammerhead Tower Crane
20 Tons Hammerhead Tower Crane - QTZ7052
Max.load: 20tons
Boom length: 70m
Tip load: 5.2t
Product Advantage Highlights
1. High efficiency:
* Full frequency conversion, stable and easy to use.
* Complete installation time shortened by 3 hours compared to the industry.
* Boom length 60m ~ 30m, 5m each variable arm, 7 kinds of arm length combinations.
* The tower body is more equipped, the independent height is high, and the attachment height is high.
2. Reliable:
* Reliability test of the whole machine over 10,000 working cycles.
* Special test verification of key components.
* No messy rope, long life of wire rope.
* Panasonic PLC, reliable and durable.
3. Smart:
* Hook punching anti-falling device, invention patent.
* TSM tower crane safety monitoring system.
* Full monitoring of lifting weight and torque.

Why Choose Us
● Competitiveness only with cost performance
Physical factories, complete equipment, professional quality and ultra-flat ex-factory prices are the core competitiveness of our company.
● Perfect management team
A professional management team and advanced production equipment are a powerful guarantee for us to achieve high-quality products. We sincerely welcome field inspections.
● One-stop service for customers: rest assured, worry-free and comfortable


Main Specifications
Model | QTZ7052 | |
Max Load | 20tons | |
Tip Load | 5.2tons | |
Jib Length | 70m | |
Free Standing Height | Stationary | 79.5m |
Mechanisms | Hoisting Speed (m/min) | (a=2) 0-35m/min: 10t; 0-70m/min: 5t |
Trolleying Speed (m/min) | 0-60m/min | |
Slewing Speed (r/min) | 0~0.7r/min | |
Power | Hoisting (KW) | 90KW |
Trolleying (KW) | 9KW | |
Slewing (KW) | 3x9KW |


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Tower Crane Quality Assurance
We control the quality of every detail and provide you with every quality service.
1: Strict selection of high-quality raw materials that meet the standards, and upper materials forging upper products.
2: Strictly control the manufacturing process of tower crane products. Don't take small things for granted, and achieve true quality control.
3: Strictly control each link of product sampling test, keep improving, and select quality.
4: In strict accordance with international standards.



We always maintain an understanding of the latest research trends in [Qtz315 (TCT7530-20) Topless Construction Building Tower Crane field. Our items have national accreditation requirements for qualified, high quality goods, affordable value, was welcomed by people today all over the world. Our company has high-tech quality inspection equipment and professional product inspection and quality control team, and constantly improve the quality management system of products.
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