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About Us

Langfang Dingyang flange pipe fitting co.,ltd is a large supplier and manufacturer in China that specialized in producing all kinds of flange ,tube ,pipe fittings. we have our own pipe fitting factory since 1998 ,which covers 100 acres. In 1998, we invested and set up a new flange factory. Up to now, we have a complete production system, and become a professional and competitive group in this field.


  • [NEWS] Identification Method of Large Stainless Steel Flange 2017-10-12 2017-10-12
  • [NEWS] Non-standard flange and GB flange 2017-10-07 2017-10-08
  • [NEWS] Explanation of Knowledge of Carbon Steel Elbow Processing 2017-10-07 2017-10-03
  • [NEWS] Flange Standard Systems 2017-09-28 2017-09-27