... Rich experience in foreign trade,products sold to over 20 countries,mainly USA,Canada,Indonisia,Russia,Middle east,North ... D*L(mm)Weight(kg)GradeTubing Coupling1.050NUE33.35*80.960.23J55,K55,N80Q,N801,L80,P1101.050EUE42.16 ... 756.05 J55,K55,N80Q,N801,L80,P110Casing Coupling4-1/2"STC127.00*158.755.23J55,K55,N80Q,N801,L80 ... 8831.77 J55,K55,N80Q,N801,L80,P11016"STC431.80*228.634.91 J55,K55,N80Q,N801,L80,P11016 ...