Min. Order Reference FOB Price
1 Joint US$100.00-3,000.00 / Joint
Product Description
API 7-1 XT thread drill pipe Crossover sub/adapter Product Description Cross-over sub acts for conversion and connection and is the basic component in downhole work. It is divided into drill string cross-over sub and tubing Cross-over sub. Drill string Cross-over sub is divided into type A, type ...