Min. Order Reference FOB Price
1 Piece US$300.00-1,500.00 / Piece
Product Description
Product Description AJ TYPE SAFETY JOINT ,API 7-1 AJ type safety joint is a specialized joint which consists of two parts. The specialized joint takes protective effect for drilling stem in drilling ,repairing and test oil (gas )engineering, etc. It is used to treat well accident and used to be ...