DWJ-178/250 Power Slips DWJ-178/250 power slip is a kind of remoter control hydraulic tools. It is used to clamp and suspend drill strings in well during trip operation. Different size of slip body i
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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