Min. Order Reference FOB Price
1 Piece US$10.00-500.00 / Piece
Product Description
Product Description Product name Tubing/casing coupling Usage Oil &gas water well All of tubing couplings are with materials of steel grade including J55, K55, N80, N80-1,N80-Q,L80,P110 and so on . The casing couplings have two types, namely NU and EU. By numerically controlled lathe and ...