Newest Sub Crossover Cross-over sub Cross-over sub acts for conversion and connection of drill stem component in petroleum .
Newest Sub Crossover
1)Cross-over sub Cross-over sub acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work.
2)It is used mainly for connecting of upper drill tools and lower drill tools during drilling operations.
Hejian Fanglei Drill Equipment Co., Ltd was founded in 1990, and is one of the most professional companies that specilizes in the drilling equipment. We can supply a large quantity of new and used pdc bits, tricone bits, drill pipe and drill collar etc, and various size is available. Besides, the goods have good quality and reasonable price you are interested in drill bits, please contact me now for a long time. We are waiting for cooperating with you and your company sincerely.
Newest Sub Crossover
