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9000m digital-control VF electric rig [ Conventional Drilling - 9000 Meters ] 9000m digital-control VF electric rig [ Conventional Drilling - 9000 Meters ] AC /VFD DRIVE DRILLING RIG for Drilling Depth of 1500m-12000m Meters AC /VFD DRIVE DRILLING RIG for Drilling Depth of 1500m-12000m Meters Single-screw Pump  HDL Series Single-screw Pump  HDL Series carbon steel casting carbon steel casting Steel Forging Part Fork Steel Forging Part Fork
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