Steel Pipes, Flange, Pipe Spool manufacturer / supplier in China, offering ANSI B16.9 Carbon Steel Barred Tee ASTM A860 Wphy65 Barred Tee, High-Performance Direct Buried HDPE Jacketed Pipe Pre-Insulated Seamless Steel PU Foam Spray Coating, 1m-12m or Customized Polyurethane Foam Prefabricated Direct-Buried Large Caliber Insulation Steel Tube Pipe and so on.