Sizes:1.OD:DN25-DN600 ;DN600-DN3000

2.Thickness:SCH5S,STD,SCH40,SCH60,SCHXS,SCH80,SCH100,SCH20,SCH140,SCH16

Standard:JIS B2311,JIS B2312,JIS B2313,JIS B2316

ASME/ANSI B16.9,ASME/ANSI B16.11,ASME/ANSI B16.28,ASME B16.5

MSS SP-43,MSS SP-79 ,MSS SP-83,MSS SP-97

GB/T12459-2005,GB/T13401-2005,GB/T14383,GB/T14383,SY/T5257-2004,etc.

ANSI B16.9, ANSI B16.28, DIN 2605-1, DIN2605-2, EN 10253-1,GOST 17375

   Hebei Ruoliyun Steel Pipe Sales Co.,ltd  specialized in production of Seamless steel pipes , Square & Rectangular steel pipe, ERW pipe,flange and pipe fittings, located in Hebei Mengcun ------"Hometown of pipe fittings in China" 

  Hebei Ruoliyun Steel Pipe Sales Co.,ltd  has strong technical force and production equipment.Mainly relevant produce equipment 426 units or sets ,include the largest 6000 TON  pressure machine in the industry ,and 50 units or sets of advanced inspecion instuments for physical and chemical,metallographic and non-destructive inspection and material testing etc.

    Hebei Ruoliyun Steel Pipe Sales Co.,ltd  has attained ISO9001 international quality management system certification, ISO14001 environmental management system certification and OHSAS18001 occupational health safety control system certification. Our main products include electric power and chemical equipment,Carbon steel, Alloy steel, Stainless steel, X-grade steel and pipeline products, such as Seamless pipes, ERW pipes, Spiral pipes, Elbows, Bends, Tapered pipes, Tees, Crosses, End covers,Reducers, Caps, Flanges, Socket fittings, Brackets and more.
    

   We have a professional design team,advanced production equipment,professional production line,excellent QC team to give you the best solution.