Drill pipes in diameters of 50/60/73/89/114/127 millimeters(API CETIFICATION)

Drilling joints in diameters of 68/78/105/121 millimeters

Drill collar in diameters of121/146/159/178

 Gelogical drill pipes in diameters of 45 /50/ 60millimeters

API Drilling joints in diameters of 57/165/75 millimeters