Products

 









SPRIAL STEEL PIPE
STD API-5L  GB/T9711.1-1997  GB/T9711.2-1997 SY/T5037-2000  SY/T5040-92
MAT L245~L555  Q235  Q345  20#
Grade X42~X80 
W.T 5~26mm
O.D 219~2222mm