3PE pipe anti-corrosion equipment 1.CE,SGS and BV confirmed 2.Over 15 years expercience 3.Full models to choose 3PE pipe anti-corrosion equipment with CE confirmedStandard/Materia: API5LGr.B,X42~X80; ASTMA252 Gr.2,Gr.3; ASTMA53 Gr.BSY/T 5037-2000;SY/T5040-2000;GB/T3091-2008: Q235B,Q345B,20#,16Mn;GB/T9711.1-1997;GB/T9711.2-1999;GB/T9711.3-2005: L245~L555;EN10217-1,EN10219-1,EN10224 L235,L275,L355; ...