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| Place of Origin | Shandong, China (Mainland) |
| Brand Name | Dahan |
| Model Number | QTZ31.5(4208) |
| Rated Lifting Moment | 315KN.M |
| Rated Loading Capacity | 3t |
| Max. Lifting Load | 3t |
| Max. Lifting Height | 80m |
| Span | 42m |
| Application | Constrction,Bridge,Wharf etc |
| Feature | Tower Crane |
| Condition | New |
| Load Capacity at Jip end | 0.8t |
| Free-Standing height | 28m |
| Materials Cutting | CNC Plasma/Flame Cutting Machine |
| Painting Progress | Impeller Blasting & Rust Protection Paint |
| Welding System | Robot Welding Line |
| jib length | 41.8m |
| mast section | 1.5*1.5*2.2 |
| Electrical Equipment | France Schneider Brand |
| Cutting technology | 6m*12m CNC plasma cuuting machine |
| Certification | ISO9001:2008,CE, GOST,Korea certificate |
1. Robot automatic welding system;
2. Automatic impeller blasting and spraying assembly line;
3. CNC plasma cutting machine;
4. France Schneider contactor;
5. CE and GOST certificates, ISO 9001:2008 certificate;
6. Double-faced milling machines process the end surfaces.