Overview Quick Details
Supply Ability
Packaging & Delivery
Online Customization
Product description:
Oil tubing & casingcoupling:
1)OD: 4 1/2"-20"
2)Grade:J55,K55,N80,80-Q,L80-9Cr,L80-13Cr,P110,C95
3)Thread:BTC,STC,LTC
Packing photos:
API Certificate:
Workshop: