Mairuite (Shandong) Heavy Industry Machinery Co., Ltd.
| Delivery Time | 25-50 Woiking Days |
| Anti‑dust treatment | Motor dust‑proof protection |
| Payment Terms | L/C, T/T, D/P |
| Hoist type | Wire rope electric winch |
| Main power supply form | Closed bus bar power supply |
| Travel buffer | Rubber buffer installed at both ends |
| Hook safety latch | Spring‑loaded safety latch fitted |
| Surface priming coat | Overseas engineer dispatch available |
| Control mode combination | Pendant + wireless remote dual control |
| Rail sweeper | Track cleaning device equipped |
| Third‑party inspection | Accept customer designated inspection |
| Overseas after‑sales | Overseas engineer dispatch available |
| Supply Ability | 20Sets/Month |
| Working duty class | A3‑A7 optional |
| Allowable working humidity | ≤85% non‑condensing |
| PLC monitoring system | Real‑time operation data monitoring |
| Packaging Details | Large-sized double-layer PVC film packaging, small-sized non-sterilization wooden box packaging |
| Brake type | Electromagnetic disc brake |
| Model Number | QD |
| Certification | CE |
| Brand Name | MRT |
| Place of Origin | China |
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Product Specification
| Delivery Time | 25-50 Woiking Days | Anti‑dust treatment | Motor dust‑proof protection |
| Payment Terms | L/C, T/T, D/P | Hoist type | Wire rope electric winch |
| Main power supply form | Closed bus bar power supply | Travel buffer | Rubber buffer installed at both ends |
| Hook safety latch | Spring‑loaded safety latch fitted | Surface priming coat | Overseas engineer dispatch available |
| Control mode combination | Pendant + wireless remote dual control | Rail sweeper | Track cleaning device equipped |
| Third‑party inspection | Accept customer designated inspection | Overseas after‑sales | Overseas engineer dispatch available |
| Supply Ability | 20Sets/Month | Working duty class | A3‑A7 optional |
| Allowable working humidity | ≤85% non‑condensing | PLC monitoring system | Real‑time operation data monitoring |
| Packaging Details | Large-sized double-layer PVC film packaging, small-sized non-sterilization wooden box packaging | Brake type | Electromagnetic disc brake |
| Model Number | QD | Certification | CE |
| Brand Name | MRT | Place of Origin | China |
Double girder overhead crane is heavy‑duty lifting machinery. With sturdy double‑girder structure, it ensures stable heavy‑load handling. Various control ways and attachments optional. Customized parameters for factories, steel mills and warehouses.
| Item | Specification |
| Rated Lifting Capacity | 5‑50t |
| Span | 10.5‑31.5m |
| Lifting Height | 6‑24m |
| Working Duty | A3‑A6 |
| Lifting Speed | 3.5‑13m/min |
| Trolley Travel Speed | 20‑45m/min |
| Crane Travel Speed | 30‑75m/min |
| Control Method | Pendant / Remote / Cabin |
| Power | 380V 50Hz 3‑Phase |
Company Details
Business Type:
Manufacturer,Exporter,Seller,Other
Year Established:
2005
Employee Number:
500~1000
Ecer Certification：
Site Member
Merit (Shandong) Heavy Industry Machinery Co., Ltd. is a subsidiary of Shandong Longhui Group. It is located at the foot of the world-famous Mount Tai. Yangliu Town, the hometown of Yanghu, a famous general in the Western Jin Dynasty, is the hometown of cranes. A professional manufacturer of heavy h... Merit (Shandong) Heavy Industry Machinery Co., Ltd. is a subsidiary of Shandong Longhui Group. It is located at the foot of the world-famous Mount Tai. Yangliu Town, the hometown of Yanghu, a famous general in the Western Jin Dynasty, is the hometown of cranes. A professional manufacturer of heavy h...
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