Exhibit Profile:
Screw pump(oil pump)blowoutpreventeon anchoring Integrated tool;,FB-LZQ dlrect dreve unit for closed screw pump;,Wellhead plowout prevention control tool of pumplng unit;,Y441-114 releasing slip packer.
Screw pump(oil pump)blowoutpreventeon anchoring Integrated tool;,FB-LZQ dlrect dreve unit for closed screw pump;,Wellhead plowout prevention control tool of pumplng unit;,Y441-114 releasing slip packer.
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