Tower crane characteristics Compared to other company's construction machinery, MINGWEI construction machinery has the following features: 1. The using steel is 16M and Q235B which the manufacture is Shanghai Baosteel. After test for qualified, then can use. 2. Painting Process. After shot-blast cleaning, spraying anti-rust paint, then spray paint. 3. Welding process use high-strength wire. Main joints use special steel and special process. Mingwei company is the first company to adopt mast sections and main chord robot automatic welding system in China. The system is reliable in performance and high efficiency with high degree of automation, so that one worker can observe several welding systems. The quality and efficiency of welding are greatly improved. In terms of the welding quality of main load structure, the products reach the advanced international standard. 4. Electric device. Use international well-known manufacturers' electrical products, such as Schneider. 5. Motor, deceleration devices use domestic famous manufacturers' products, eg: Shanghai, Jiangxi Special Electric Motor Co., Ltd.,Tianjin etc, to ensure the long life. 6. For cab, electrical device box, acid cleaning and parkerising, then painting, to ensure a long usage life. 7. Machine total weight is 3-5 tons heavier than the same type of tower crane in other manufacturers. 8. Each device is in strict test, then can packed to ship, to ensure that the trouble after leave the factory reduced to the minimum. 9. Reliable quality, advanced technology, reasonable price, the best configuration, high safety factor, cost-effective ---MINGWEI products is trust worthy, we can ensure the customers buy the products assured and use happy. Company Introduction Shandong Mingwei Hoisting Equipment co.,Ltd as a professional manufacturer and sale for more than 20 years, advanced equipment and strong technique background enable us to engage in R&D and sales of tower crane and receive overwhelming public praise. And now can offer tower cranes with a maximum lifting load form 2.5t to 20t, which is from QTG25, QTZ25, QTZ31.5, QTZ40, QTZ63, QTZ80, QTZ100, QTZ125, QTZ160 and QTZ315, luffing tower crane, topless tower crane and so on to meet the demand of various kinds of customers in different construction works. Main products Topkit tower crane Topless Tower crane QTZ50 (4810/5008) QTZ50P(4810/5010) QTZ60(6010) QTZ63P(5013/5610/5011/5010) QTZ63(5610/5010/5013) QTZ80P(5613/5017) QTZ80(5513/6010) QTZ315P(7528) QTZ100(6010/6013) Building hoist QTZ125(6018/6515) SC200/200 QTZ315(7527/7040) Packing & Shipping Packing in 40HC container. If adopt CIF, we will find better shipping company for clients Delivery time Providing timely delivery, after 30% advance payment By T/T , within 5-15 working days arrange shipping . Our services 1. Customized service. We can do all special design according to your requirement 2. welcome visit our factory, learn about our factory and products. 3. 24 hours on line or phone , technical support After sale service 1. The seller will send one of her professional technicians to the site of buyer to guide the erecting work. 2. 12(twelve)months (except for wire rope and AC contactor) after the equipment be well erected and we will offer spare parts whole year long. 3. lifelong time freely provide technical support .
| Work grade of whole crane |
A4 |
Work grade of mechanisms |
Hoisting mechanism |
M5 |
| Slewing mechanism |
M4 |
| Trolleying mechanism |
M4 |
| Hoisting height (m) |
Free standing height=53 |
Attaching=200 |
| Max. Load |
4 falls=10t 2 falls=5t |
| Radius (m) |
Max. Radius |
70 |
| Min. Radius |
2.5 |
| Tip load (t) |
1.2 |
| Hoisting mechanism |
Speed |
Falls |
α =2 |
| Load (t) |
≤ 2.5 |
≤ 5 |
| Speed (m/ min) |
100 |
50 |
| Falls |
α =4 |
| Load (t) |
≤ 5 |
≤ 10 |
| Speed (m/ min) |
50 |
25 |
| Type of motor and power |
TZRSWF250M2-4/8 37kW |
| Slewing mechanism |
Speed |
Motor |
Power |
| 0.56r/min |
YTW132S-4 |
5.5kW× 2 |
| Trolleying mechanism |
Speed |
Motor |
Power |
| 60/30/9 |
YDEG180-4/8/24 |
5/3/1.1kW |
| Jacking mechanism |
Speed |
Rated work pressure |
Power |
| 0.5m/min |
20MPa |
7.5kW |
| Counterweight |
Jib (m) |
70 |
65 |
60 |
55 |
| Load (t) |
26 |
24 |
21.9 |
21 |
| Total power |
53kW (without jacking motor) |
| Power supply |
-380V(± 5%) |
frequency |
50Hz |
Work temperature |
- 10-40 degree |
Contact Us Shandong Mingwei Hoisting Equipment Co., Ltd Ms. Catherine Du Mobile: 00-86-15910087784 Our Products including Hammerhead Tower Crane, Flat Top Tower Crane, Inner Climbing Tower Crane, and Construction Building Hoist. If you want to buy tower crane, and find china tower crane dealer and tower crane seller, Shandong Mingwei is you best selected. Welcome for your inquiry. We will supply the high quality tower crane of reasonable price. Sincerely welcome your inquiry to our products!
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Gecontroleerde Leverancier 
