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Jining Dongda Group Mining Machinery Co,.Ltd
Jining Dongda Group Mining Machinery Co,.Ltd  

Gold Index: 18341

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Mine Airtight Door Main 

Price: 100.0~400.0 USD 
Payment Terms: T/T,WU 
Special Groups: Mining door (8)
Place of Origin: Shandong, China (Mainland) 
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Product Detail

Model No.: 125
Production Capacity: 10000 set one month
Delivery Date: 7 days after received the p...
Type: Others
Means of Transport: Ocean,Land,Air
Packing: Wooden case
Application: Coal
Brand Name: Dongkuangan

Airtight door is made up of the flat steel plate,stiffened plates,ring beam and other combinations.

Mine Airtight Door Main Structure 

1. Airtight door is made up of the flat steel plate,stiffened plates,ring beam and other combinations.
2. Door frame adopts channel steel, I-beam composite frame 
3. Wedge-shaped wedge slide 
4. Support by hinges with rolling bearing   

Mine Airtight Door Model Meaning 

Model  MMB 1.4*1.8 ,  MMB  means airtight door,
1.4 means net width  through the cave  

(Or refers to the net width of door without frame) is 1400mm.
1.8 means net height through the cave 

 (Or refers to the net height of door without frame) is 1800mm.

Mine Airtight Door Parameters 

Water-proof air-tight Model          

Because of the production batch, the specific model are different, the above pictures are only for reference ,you can contact our sales staff for further details on the specific verification.

Contact person: joanna 


Tel: +86-537-2902388  Fax: +86-537-2902388


Address : West of Zhixue Road,High-tech Zone,Jining City,Shandong Province,China

 Ms. joanna

Tel: 86-537-2902388
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Company Info

Jining Dongda Group Mining Machinery Co,.Ltd [China (Mainland)]

Business Type:Manufacturer
City: Jining
Province/State: Shandong
Country/Region: China (Mainland)

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