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   Land&ocean drilling rig electrical control system >> DQ40DB - DQ90DB whole series of top drive VFDS system  
  
Product ID:
DQ40DB - DQ90DB whole series of top drive VFDS system
Product Name:
DQ40DB - DQ90DB whole series of top drive VFDS system
Specifications:
DQ40DB - DQ90DB whole series of top drive VFDS system
Product Notes:
DQ40DB - DQ90DB whole series of top drive VFDS system
Category:
Land&ocean drilling rig electrical control system
 
 Product Description

Top drive drilling system makes the traditional way of rotary drilling change, adopting ac frequency conversion control system of the top drive control system, the reliability is higher.

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