... (Beijing) Pipe Co.,Ltd mainly manufactures: Steel Pipe, Pipe Fitting and Anticorrosion Processed steel Pipe. StandardAPI5L,A106,A53,A335,A333,DIN1629 ... can be 3PE or FBE or Galv. CoatedInspection & Certification1Certification: ISO, API, ASTM, DIN etc2 Mill Test Certificate: EN10204/3.1B3Third party ...