Cangzhou Yuan Fang Steel Pipe Co., Ltd. is a company integrating the production and export. We specialize in the production and study of welded steel pipes, seamless pipes, square steel pipes, rectangular steel pipes and welded steel spiral welded pipes. We can supply steel in following specifications and standards: 
Square steel tubes: 30 x 30 - 800 x 800mm; wall thickness: 3.0-30mm, 
Rectangular steel tubes: 50 x 30 - 800 x 300mm; wall thickness:3.0-30mm
ERW pipes: 48-1,420mm; wall thickness:2.5-60mm
Seamless steel pipes: 60-1,020mm; wall thickness: 3.0-60mm
EN10210 \ EN10219: S235JRH \ S275 \ S275J2H \ S355JOH \ S355J2
ASTM A500: A \ B \ C \ D
JIS G3466 STKR: 400 \ 490
GB/T6728-2002 \ GB/T3094-2012: Q235B \ Q345B \ Q345D