Description: Thi-ball fishing tool is the fishing workover tool which specially uses for driving the oil extraction rod and the oil extraction rod upset shoulder , its principle is that realize fishing from using incircles change which is formed because of thi-ball move up and down together tight and loose the falling fishing. It may demonstrate the work principle and the structure composition, and may carry on disassembles and assembles training. Details:
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No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032
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Damucang Hutong, Xidan, Beijing P.R.C.100032