The coupling tube is the round pipe used to manufacture couplings. We can supply the coupling in different material of J55, K55, N80, N80Q, L80 series, C90 ,R95, P110, Q125 in outer diameter from 63.5mm to 431.8mm according to API SPEC 5CT. Please contact [email protected] if you have any needs.
Inner Mongolia Rational Industry Limited is dedicated to promote anti-corrosion steel pipes and seamless steel pipes, oil well steel pipes, steel rails and other steel pipe products to the world. We believe our professionalism would make services more efficient and better than you expect !
Inner Mongolia Rational Industry Limited
Address:Block A, Financial Plaza, Baotou Rare Earth Development Zone,Inner Mongolia,China
Phone: 0086 0472 6219498
Email: [email protected]
Mobile & Wechat & Whatsapp
Fulei: 0086 13646172523 (English services)
Tavi：0086 15661688899 (Russian services)
Olga：0086 18700958253 (Español services)