DSL-110 Power Swivel is the device installing on the derrick of servicing rig, to provide rotating power. Except the use for such workover jobs as casing milling, milling, drilling cement plug and bri
The company has developed a wide variety of mechanized wellhead tools for oil drilling and production with a full set of models, including more than 50 series and more than 100 models including ZQ drill pipe power tong series
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