Steel Pipes products

API 5CT Seamless Steel Pipe for Oil Casing and Tubing Pipes API 5ct GB/T6479-2002 High-pressure Seamless Steel Pipe for Chemical Equipment GB/T6479 GB/T 9711.2-1997 Longitudinal Line Pipe for Oil and Natural Gas Transportation GB/T9711 GB/T 3092-2008 Longitudinal Welding Steel Pipe for Low-pressure Fluid Transportation GB/T3092 LSAW/ JCOE Welding Steel Pipe JCOE API5L PSL2 Spiral Line Pipe for Oil and Natural Gas Transportation API 5L psl2 3PE、3PP External Anti-corrosion of Steel Pipeline 3PE concrete pump delivery pipe DN100,DN125, DN150 Hydraulic cylinder tube CW-1 seamless mechanical tubing CW-MT-1 Honed cylinder tube HT-1 Cold drawn ERW steel tube DOM-1 Cold drawn seamless precision steel tube CWPT-1 Hydraulic cylinder barrel CWHB-1 Concrete delivery cylinder CY-1 Automatic Tube Welding Machine 006 Square Pipe Forming Machinery 009 ERW Tube Making Machine 010 Straight Seam Tube Welding Machine 012 Slitting Machine Production Line 013