Exhibit Profile:
Screw pump(oilpump) blowortpreventeon anchoring Lnteggrated tool;FB-LZQ dlrect dreve unit for closed screw pump;Wellhead plowout prevention control tool of pumpilng unit;Y441-114 releasing slip packer.
Screw pump(oilpump) blowortpreventeon anchoring Lnteggrated tool;FB-LZQ dlrect dreve unit for closed screw pump;Wellhead plowout prevention control tool of pumpilng unit;Y441-114 releasing slip packer.
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