الصين مصنع أنابيب النفط، أنابيب النفط المورد
Drilling of oil and gas wells and transportation of oil and gas, main products include:casing,tubing,drill pipe and line pipe. (1)Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore.size:OD: 4 1/2'' ~ 20'' (114.3mm ~ 508mm);WT: 0.205'' ~ 0.635'' (5.21mm ~ 16.13mm);LENGTH: R1, R2, R3 .