Tower Crane TC7021

Ref Price:
Loading Port:
China Main Port
Payment Terms:
TT or L/C
Min Order Qty:
1 Unit unit
Supply Capability:
500 Units Per Month unit/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

Description of TC7021

1) CMAX TC7021 tower crane is one of the key product of CNBM company, which have competitive price and excellent quality, suitable for all kinds of construction project and can work under all kinds of work condition.

2) This kind of crane adopts standard section hydraulic lifting and connecting, and can decide the crane height according to the actual height of the building, and at the same time the lifting capacity will not be affected;

3) It has high working speed, good speed-adjusting performance, steady operation and high efficiency. Three-speed motor and mono-speed ratio decelerator are applied in the lifting struction, which enables heavy load low speed and light load high speed.

4) The crane has complete set of safety devices, which can guarantee the safe and high efficienct operation of the equipment. The machine is equipped with lifting height limiter, dolly range-change limiter, moment limiter, weight limiter, circumgyrating limiter, etc.

5)The machine has scientific layout and beautiful appearance. The operator's room is set independently on one side, with good vision field. It creates a good working environment for the operator


Specifications of TC7021

1.Max. working range 70m, tip lifting weight 2.1T and Max. lifting weight 12T.

2.Hoisting mechanism fitted with three speed motor, stable braking and less shock when shifting.

3.Tower crane Trolleying mechanism can provide two operation speeds.

4.Tower crane Independent height (m) 50

5.Max height with attachment (m) 200

6.Working range can be adjusted(m)40/45/50/55/60/65/70

7.Min working range(m)2.25

8.Max lifting capacity(t )12

9.Tower crane Tip load @ 70m(t)2.1



Packaging & Delivery of TC7021

40HQ container

40~45days after deposit








Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:When is this Crane Fly season over?
Crane flies are totaly harmless to humans.They fly for some time and fall down to earth.Ants will take them away.These flies never byte or sting. Pet Cats like to play with it and catch it.They will disappear after some time. Do you know that crane flies spend most of their lives underground in their larval forms, which are known as leatherjackest?. Leatherjackets were very common round here, and are a favourite food of the local crows .These leatherjackets transform into crane flies.Summer is their growth time.
Q:what was the signifigance of the paper crane during WWII??? This site will give you the story of the Japanese girl during the time of WWII. It is a touching story.
Q:what are the forces in a cantilever crane?
forces for cranes are dynamic , so u'll have repeated cycles of compression tension ( i assume it's a trussed crane). but generaly for a cantilever , the main forces are -ve Bending Moment +ve shear which changes the rft. bars position if dealing with R.Concrete for example
Q:What does "jack up" tower crane 1000KNm mean?
The Greek letter of torque is tau. The concept of torque originates from Archimedes's study of leverage. Rotational torque, also known as torque or torque. The torque can change the rotational motion of an object. Pushing or pulling involves force, while torsion involves torque. The moment is equal to the cross product of the radial vector and the force.
Q:stories about paper cranes?
Sadako and the Thousand Paper Cranes by Eleanor Coerr - about a girl who gets luekemia from the Atom bomb dropped on Hiroshima and her making paper cranes to pass the time in the hospital.
Q:What is the tax basis under the Crane Doctrine?
Your understanding of Crane is correct. For purposes of calculating the gain on sale, the basis would be $100k. What Crane really said was that the net proceeds would have to include any assumed debt, in addition to any cash received -- basically that you had to include the debt on both ends of the transaction if my reading is correct. (That jives with the example in Commissioner v Tufts et al, 81-1356 so I think we're correct on that.) Where basis gets interesting is when you are calculating depreciation. At least when you convert a residential property to business use -- i.e. a rental -- you use the LESSER of the cost basis (Crane) or the FMV on the date that the property is placed in business(rental) service. In your example, the depreciable basis would be $80k since that was the lower. For calculating the gain on sale, the cost basis would still be $100k (adjusted down for any depreciation allowed or allowable while in business use of course).
Q:do you know how to make an origami paper crane?
Go to Howcast and type in origami.It taught me how to fold like a pro.
Q:What is the insulation resistance of tower crane?
The lightning resistance of tower crane (tower crane) on the construction site shall be no more than 4 ohms.I. tower crane GB/T 5031--20085.5.5.9 lightning protectionIn order to avoid lightning stroke, the main structure of the tower crane, the motor frame and all the electrical equipment metal shell, wire metal protection tube should be reliable grounding, and its grounding resistance should be no more than 4 ohms. When multiple repetitive earthing is adopted, the grounding resistance shall be no more than 10 ohms.
Q:What measures should be taken to make tower cranes stable?
Phosphating coating of steel wire rope, give priority to the use of manganese or zinc manganese phosphating, and smooth steel wire rope production process comparison, just add the last bonderizing process, steel wire, wear resistance and corrosion resistance is greatly improved, the use of the wire without direct phosphating cold twisted steel wire rope.
Q:Which U.S. city has the most Tower Cranes working?
We have been told that our state bird was a crane. That's because there are so many of them here all the time. Construction is booming in Oklahoma. I think most of them are coming from the east and west coasts. They can get a much larger house here for a whole lot less. They are sold when they are being built.
We are a leading manufacturer of a broad range of disposable medical products and durable medical equipments. From 1993, our American Headquarter, Basic Medical Industries Inc. was set up in California USA exploring our initial business of gloves. Over the past 17 years, we has enjoyed unprecedented growth due in large part to the support of our valued customers.

1. Manufacturer Overview

Year Established 2000
Annual Output Value Above US$100 Million
Main Markets

Company Certifications ISO 9001:2008;

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shanghai
Export Percentage 0.8
No.of Employees in Trade Department 600 People
Language Spoken: English;Chinese;
b)Factory Information  
Factory Size: Above138,000square meters
No. of Production Lines Above 2
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Average