API casing coupling for connecting two joints of casing or tubing
Couplings are used to connect two joints of casing pipes together.Coupling are short length of heavy wall pipe with the same threads on each end。We manufacture casing coupling strictly comply
with API 5CT latest standard.grade J-55.N-80,L-80 ,P-110.Q125.V150
Tel:86-022-58712528
Mobile:86-13820721747