Crossover sub acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work. It is used mainly for connecting of upper drill tools and lower drill tools.
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CONTACT US
- Tel: +86 532 85715517; Tel: +86 18653279150
- Fax: +86 532 85715517
- Add: Qingdao Xinran River Industrial and Trading Co., Ltd No.14, Fuqing Road, Qingdao City, Shandong Province, PRC
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CROSSOVER SUB
Crossover sub acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work.