ABOUT LFDY
  • Langfang DingYang is a large supplier and manufacture in China that specialized in producing all kinds of flanges and 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.

    As an experienced exporting company, Langfang Ding Yang has been export for almost 10 years. We have clients all over the world and our products and service have been approved by many of our clients. We offer more competitive price to our clients to help them benefit more in the industrial market.

    Langfang Ding Yang insist on our company policy “Top quality, Sincere cooperation, Consistent improvement, Pursuing perfect” and “Mutual benefit, Mutual Success”. We use the quality to occupy the market, use our sincerity to serve our customers.
WHAT WE DO?

Langfang DingYang is one of the leading companies dealing in exporting pipe fittings, flanges and tubes etc. Our product range includes: Carbon, alloy and stainless steel pipes in various grades including PI5CT,API5L,ASTM, ISO,JIS,ST, DIN, GB/T Carbon, alloy and stainless steel flanges including ANISI, ASME, JIS, DIN, NPT etc. Carbon and Stainless steel valves including ANISI, API, JIS, DIN, NPT. We have the experienced and professional technical team, the advanced production equipments, the predominant area advantages, and the convenient transportations. We will do our best to satisfy our customers in all aspects.
LASTEST NEWS
We have an excellent technical team, which can be designed according to customers requirements.

NEWS

  • As the vibrant spirit of the 2026 Chinese Lunar New Year unfolds, the entire team at Dingyang extends warmest wishes to our valued global customers and partners. This joyous festival, marking the start of a new lunar cycle, symbolizes renewal, prosperity, and enduring connections—values that lie at
  • Alloy steel flanges are integral components in various industrial piping systems, serving as crucial connectors that join pipes, valves, pumps, and other equipment. Unlike standard carbon steel flanges, alloy steel flanges are manufactured by adding specific alloying elements to the base steel, whic
  • In various pipeline systems, flanges serve as the core components for connecting, disassembling, and inspecting pipelines, and their performance directly affects the sealing, safety, and service life of the entire pipeline system. Stainless Steel Flange, with its excellent properties and precise str
  • In pipeline systems, the quality of connecting components directly determines the sealing, stability, and service life of the entire system. Forged Fitting, as a type of pipeline connection made through special forging processes, has become a core component in pipeline systems in multiple industries
OUR PARTNERS

We hold "hundred percent customers' satisfaction" as our goal, providing timely and efficient after-sales services to our customers.​​​​​​​
  • 20+ Years Experience
  • Fast Delivery
  • Wholesale Price
  • ISO9001 Certification
We have an excellent technical team, our products in quality and quantity will make you satisfied, welcome to buy
  • 86-316-5120812
  • Mon-Sat: 09:00AM - 05:00PM
  • Room1-3-908 Zijincheng Commercial Building, Guangyang District, Langfang City,Hebei Province,China
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