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Lifting sub is an above ground tool for lifting drilling tools.It resembles a pup joint, and is used to thread the upper connection of the drill string to make the drill string can be tripped in/out by elevator.

Ordering Instructions
1.Please specify technical parameters as OD, length and the specification of elevator.
2.For special order, please specify the special technical parameters or requirements in the contract. 
Ordering Instructions
1.Please specify technical parameters as OD, length and the specification of elevator.
2.For special order, please specify the special technical parameters or requirements in the contract. 
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Tianhe Oil Group Huifeng Petroleum Equipment CO. ltd.