FAQ for Official Manufacturer Brand New QTZ230(PT6430-12) Topless Flat Top Tower Crane
Q1: What is the Warranty for tower cranes?
A1: For the tower cranes, we can supply 1 year warranty. If there is quality problem of any parts (excluding easy worn spare parts) on our side during this period, we will supply a new one by free for replacement.
Q2: What is the mean of QTP for tower crane model? And please illustrate.
A2: QTP is classified according to China National Standard.
“Q” is the acronym of Crane in Chinese language (Qing Zhongji);
“T” is the acronym of Tower head type in Chinese language (Ta Shi);
And “P” is the acronym of topless in Chinese language (Ping Tou).
For example: QTP40 (4810) means topless tower crane, the rated lifting moment is 400 KN.m (40 is 10-1 of the rated lifting moment). The working jib length is 48 meter and tip load is 1.0t when jib length is 48m.
Q3: What are the optional parts for your tower cranes?
A3: 1) Anemometer
2) Air conditioner for operation cab
3) Black box for operation cab
4) Remote control
5) Full VFD (Variable Frenquency Drive) control
Q4: How many types of foundation for your tower crane?
A4: The most popular types of foundation are Cross-beam type, Well-shaped type, Base with ballast type and Outrigger type.
By the way, our commonly used one is Cross-beam type. If you need any other type, please let us know when you make the order. Thanks!
Q5: How many countries had your tower cranes exported to?
A5: Our tower cranes had exported to more than 30 countries, such as Vietnam, Philippines, Indonesia, India, Sri Lanka, Cambodia, Russia, Kazakhstan, Brazil, Cyprus, Belgium, Madagascar, Thailand and Algeria etc.
Q6: How to confirm a suitable tower crane model?
A6: My dear friends, please let us know the below basic parameters to confirm tower crane model:
a. Building height or tower crane working height.
b. Max load capacity and tip load capacity.
c. Span or jib length
d. Other Special requirements, such as the power supply, foundation type, air condition and so on.
Q7: What is your trade items of Tower Crane?
Qingdao or Shanghai or according to Clients' need. We could accept 1 set of our products as your trial order.
Our Skilled Team
Our R&D team is made up of the most prestigious, experienced engineers and experts in this field.
Our technicians team are all experienced senior mechanicians.
We provide satisfactory service (pre-sale, while-sale, after-sale).
Our professional advice and instruction are always available and acceptable.
The process features
1) Automatic submerged arc welding is adopted in the main section limbs and chord boom. It has high thermal efficiency, high penetration, high production efficiency, while reducing the pores and crack defects, increases the weld strength and the beautiful appearance.
2) We adopt carbon dioxide gas welding; it has heat concentrated, a small welding line, high strength and resistance to rust and crack. it can reduce tress and deformation, it has high strength and resistance to rust and crack.
3) Shot blasting is used for masts to strength the hardness of steel surface; enhance the paint adhesion and prolonging its life
