Shanghai chainmill industry co.,ltd is specialized in producing flanges and forgings of stainless steel ,alloy steel ,carbon steel ,duplex steel etc.And we also supply some related products ,like pipes ,Butt-welding fittings,plates,valves,etc.
  all products are manufactured and tested strictly according to ASME/ANSI ,DIN /EN,JIS,GB.Our qualification includes ISO9001certification ,,European CE etc..