Shandong MingLong Construction Machinery Co., Ltd, an incorporated company restructured based on former Shandong ZhangQiu Crane Factory, is a professional tower crane manufacturer recognized by the Ministry of Construction. It was one of the first enterprises that achieved Production License issued by the Ministry of Construction in 1988 and one of the enterprises that achieved Special Industry Tower Crane Manufacture License issued by State Bureau of Technical Supervision in 2003. In April 2005 it achieved Special Equipment Manufacturing License of People's Republic of China.Quality ISO 9001:2000.Over 30 years, it has researched and developed QT25, QTZ25, QTZ31.5, QTZ40, QTZ50, QTZ63, QTZ80, QTZ100 QTZ125 and QTZ 160 self-elevating tower crane, WL160 hoisting machine, SCD200/200 construction elevator, JS350, JS500 and JS750 compulsory twin shaft mixer and associated concrete and stabilized soil mixing station with Changsha Institute of Construction Machinery of the Ministry of Construction.
We offer various model of mast section:
Model | Dimension | Steel angle | Use on |
L46A1 | 1.6*1.6*3.0m | ∠180*180*18mm | Tower crane 8T/10T eg: F0/23B, 6015 |
L68A1 | 2.0*2.0*3.0m | ∠200*200*20mm | Tower crane 8T/10T eg: F0/23B, 6015 |
L68B1 | 2.0*2.0*3.0m | ∠200*200*20mm | Tower crane 10T/12T eg: H3/36B,6024 |
L68B2 | 2.0*2.0*3.0m | ∠200*200*20mm | Tower crane 10T/12T eg: H3/36B,6024 |
L69 | 2.0*2.0*3.0m | ∠200*200*26mm | Tower crane 12T/16T eg: 7520 |
Automatic impeller blasting and spraying assembly line
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Robot welding
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
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 .
Packing in 40HC container.
If adopt CIF, we will find better shipping company for clients 
Providing timely delivery, after 30% advance payment By T/T,within 3-15 working days arrange shipping
Q1: Whether you can provide customized products?
A1: Yes. We are hi-tech enterprise affiliated to China Academy of Building Research.
We have a group of engineers, who have title of professor,senior engineer and engineer. We can give you special design as per the drawings of your building,
helping you solve different problems faced in your projects.
Q2: Whether customized products takes a very long time to design and manufacture?
A2: Not exactly. Normally for us, some amendment in design to adapt your requirement will
take one week. so even for your special project,
it will be about 30-40 days delivery time.
Q3: What kind of services you can provide?
A3: We are dealing with construction machinery for about 28 years.
High quality is our advantage, and high technology is our core competency.
We ensure that all the machine have been completely tested in our factory
before delivery. We will give you one year warranty for complete machine.
For problems caused by our production defect,
we will provide you free services by sending skilled engineer there.