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Drawworks
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    Details: Technical features of mechanical drive drawworks :  ?Bearings all adopt roller ones and shafts are made of premium alloy steel.  ?Drawworks positive gears all adopt roller chain transmission and negat...
  • Details: Technical features of DC electric drive drawworks:  ?Bearings all adopt roller ones and shafts are made of premium alloy steel.  ?Drawwork is panel-type, totally enclosed and internal speed change rol...
  • Details: Technical features of AC variable frequency electric drive drawworks :  ?The main components of drawworks are AC variable frequency motor, gear reducer, hydraulic disc brake, winch frame, drum shaft a...
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Dongying Haixin Petroleum Equipment Co. Ltd.
Add:Management Committee building,shengli industryzone,Xicheng, Dongying City zone,Shandong,China
Tel:+86-546-7755028
Fax:+86-546-7718870
E-mail:[email protected]

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