API coupling
Standard: API 5B.
Sizes range from 2 3/8" to 20"
Steel grade including: K55, J55, L80, N80, C90, T95 and P110.
Thread types: NU, EU, STC, LTC and BTC
Quality is fully guaranteed
We promise you the best competitive price, the best quality and the lead delivery time.
Welcome your freely contact.
Contact:Bonnie Xu
Email:BonneXu@dlpoctg.com
Mob/Wechat:86+13602055205
SKYPE:BonnieXu22
Linkedin:BonnieXu
