
Ce ISO 20t Building Construction Tower Crane for Building Construction Using
2: This machine has two working modes: fixed foundation and external wall attachment.
We are based on the manufacturing industry and are engaged in producing and selling Stationary Hammerhead Tower Crane, External Climbing Flat Top Tower Crane, Passenger Hoist in the spirit of being proactive. We've strict excellent control procedures for each system. We always take innovation and technology as the development direction, return to the new and old customers, and maximize the interests of customers. We develop and grow with the excellent effects and quality of our products. Welcome all over the world customers send us enquiry and looking forward your good co-operation!Please your inquiry for more details or request for dealership in selected regions.
QTZ7050 Topkit Tower Crane
Topkit Tower Crane QTZ7050-20t | |
Max.load: | 20tons |
Boom length: | 70m |
Tip load: | 5t |
Mast size: | 2.5x2.5x5.95m |
Free standing height: | 79.5m |
Working type: | External climbing type |
Advantages
1: The overall appearance is beautiful and generous, and the color is eye-catching.
2: This machine has two working modes: fixed foundation and external wall attachment.
3: Sensitive action response, good speed regulation performance, smooth and reliable rotation, no jitter.
4: The driver's cab is independently set, with good vision and large internal space.
5: Install a computer remote control system to safely control the use of equipment.
6: The production of parts CNC machining center, all parts cooperate accurately, installation is fast and convenient.
7: Robot welding of key seams, beautiful, full and high strength.
8: Paint on the paint line, the appearance is smooth and smooth, corrosion-resistant and durable.


Main Specifications
Model | QTZ7050 | |
Max Load | 20tons | |
Tip Load | 5tons | |
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) | 11KW | |
Slewing (KW) | 3x9KW | |

















Sichuan Longchang Machinery Manufacturing co., ltd. has obtained the national class A "special equipment manufacturing license" and passed ISO9001:2008 quality certification and international CE certification. It has been awarded "Sichuan famous brand" product title by Sichuan provincial government and "AA enterprise" by Sichuan provincial bureau of quality and technical supervision.

For a long time, we have insisted on winning customers and the market with quality and price to ensure the strong competitiveness of our Ce ISO 20t Building Construction Tower Crane for Building Construction Using. Facing the opportunities and challenges in the 21st century, our company adheres to the sales tenet of win-win between industry and commerce and builds a magnificent career with enthusiasm and sweat. We continue to gather the industry's top creative teams and introduce advanced technology and equipment to maintain our company's competitive advantages.
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