We mainly deal in Tubing, Casing, Pup joint,Crossover,Coupling, processing Premium connection of tubing and casing. 
This year, our company has a large amount of coupling inventory, from 1.9 "-9-5/8" all have spot inventory. L80-13cr steel grade oil casing, our company has more than 260 tons of spot stock, from 60.32 to 139.7mm have spot. It can process VAM series air seal buckle, Hydril series air seal buckle, JFE series air seal buckle, Hunting series air seal buckle instead of Hunting series air seal buckle without authorization. Our company is fully qualified, with API 5CT certificate and ISO9001 certificate.
Welcome to inquire!
Inquiry:harry@dlpoctg.com