API Coupling shall be machined from the coupling blank,and made from the coupling material ,coupling stocks or hot forging.
TIANJIN DALIPU OCTG., welcome you
3-1/2" N80 API coupling for tubing
OD size (in)
PSL1, PSL 2
Standard Steel Frame
Within 15 working days
EXW,CFR,CIF By air, By sea
As a professional manufacturer, we provide follow services:
2.ONE year warranty and life time maintenance
3.In time delivery.
4.High Quality assurance..
ISO90001;API5CT and MTRs related certificates.