Jinggong 3-1/2 EU J55 S13 coupling with sealing ring API 5CT Near Tianjin Port,fast delivery ... .40 J55,K55,N80Q,N801,L80,P1103-1/2"NUE107.95*142.883.71 J55,K55,N80Q, ... N801,L80,P1103-1/2"EUE114.30*146.054.10 J55,K55,N80Q, ... 05 J55,K55,N80Q,N801,L80,P110Casing Coupling4-1/2"STC127.00*158.755.23J55,K55,N80Q,N801, ... L80,P1104-1/2"LTC127.00*177.804.15 J55,K55,N80Q, ...