QW Series of drill pipe air slips features auto-clamping and auto-scraping fuctions during tripping operation. It is an ideal tool and applicable for all kinds of rotary tables. The slips owns such ad
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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