卡斯特林
Exhibit Profile：
1 For hardbanding:Hardbanding alloys, Wearfacing, OTW 12Ti, OTW 10SS, OTW 16XS, Casing Friendly Hardbanding, Wearbands, Drillpipes, Heavy Weight Drillpipes, Drill collars, Sour Service drillpipes. Pony collars, 2 BHA Drill bits, Stabilizers, Drilling Mot
1 For hardbanding:Hardbanding alloys, Wearfacing, OTW 12Ti, OTW 10SS, OTW 16XS, Casing Friendly Hardbanding, Wearbands, Drillpipes, Heavy Weight Drillpipes, Drill collars, Sour Service drillpipes. Pony collars, 2 BHA Drill bits, Stabilizers, Drilling Mot
Website：www.otw-hardbanding.com