
Construction Topkit Qtz400 (7050-20) Tower Cranes with Spare Parts
2: This machine has two working modes: fixed foundation and external wall attachment.
Our firm sticks on the theory of 'Quality will be the life in the enterprise, and status could be the soul of it' for Derrick Crane, 2 Tons Passenger Hoist, 16 Tons Hammerhead Tower Crane. We adhere to the principle of 'serving customers and stable product', constantly absorbing the advantages of similar products at home and abroad, and strive to satisfy customers in terms of quality, so that products can better meet market needs. We provide high-quality and efficient cargo tracking services to greatly improve efficiency for customers. Our company has always been a reasonable price, thoughtful service to provide customers with high-quality products to meet the needs of customers in many aspects and at the same time to provide users with perfect after-sales service. The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process, increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.
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.

Our company has a senior technical team with rich experience in the industry for many years. We have been committed to the field of Construction Topkit Qtz400 (7050-20) Tower Cranes with Spare Parts for a long time. Please feel free to contact us! We welcome new and outdated shoppers to contact us for long term small business relations, common advancement. We sincerely welcome customers and friends to visit our factory!
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