China 7.5m Basic Mast Section for Tower Crane

basic mast

BrandFitpotian1.6M *1.6M*7.5M basic mast2.0M *2.0M*7.5M basic mast

The basic mast assembly comprises:
A telescopic cage equipped with its cat-walks
A basic mast
A telescoping yoke
A hydraulic cylinder


FAQ
1.the principle of the telescoping
The telescoping sequence comprises a series of operations which are repeated seveval times.
Lifting the crane part to be telescoped by extracting the ram which rests on the telescoping yoke. Resting the lifted crane part on the lugs of the mast by means of the locking pawls of the telescoping cages.
Unpin in and raise the telescoping yoke by retracting the ram.
Connect the yoke on the next pair of the lugs above.
Repeat this cycle 3 times so as to have the space required for introducing the mast section into the telescopic cage.
2.how many years have you invovled in this field?
We have been working in this field more than 20 years.
3.What is the warranty term of your product?
the warranty term of our product is 12month
4.What is the shipping way?
It depands on yours.by sea or air
5.Can you accept OEM or ODM?
Of course.Logo is also acceptable.
If you have another question, pls feel free to contact us as below: