Description: Hydraulic top jar is jar bakk off tool is mainly used for treatment of deep well's sanding in brine. Especially when headframe load is small, could not raise and draw large load, the back off capabisity of top jar express very good, this tool is also suitable for sharrow well, could demo its operating principle and structural composition and carryon dismounting 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