1,Name:drill pipe equipment 2,Length:R1,R2,R3 3,OD: from 50mm ... a company that especially manufactures kinds of petroleum drill pipes and joints.1,Name: drill pipe equipment2,Length:R1,R2,R33,OD: from ... .70IEU5127.025.6024.0335.79X,G,S0.50012.70EU,IEU drill pipe equipment