Original
By certification 
Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level oilfield drawwork manufacturers and suppliers, with professional factory, we are able to produce API and oilfield jc 40 drawwork, jc50 drawwork, jc70 drawwork, welcome to contact us.
TECHNICAL FEATURES
*There are two different kinds of drawworks,internal transmission and external transmission.
*All of the bearing use roller bearings ,and shaft materials are high quality steel.
*Chain use forced lubrication.
*Drum has EBGS Groove and LEBGS Groove,Drum use pneumatic tyre clutch. Break use circulating forced cooling.
Main break uses hydraulic disc break and belt brake,and the auxiliary brake use whirlpool brake or water break.
TECHNICAL PARAMENTR OF DRAWWORKS
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