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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

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  • What should be paid attention to when using stainless steel flange

    Stainless steel flange is also called flange or flange. The flange is the part that makes the pipe and the pipe connect with each other, and is connected to the pipe end. There are holes in the flange, and the bolts make the two flanges tightly connected. The stainless steel flange connection is eas

  • Production technology of flange

    Production processes are mainly divided into forging, casting, cutting and rolling.The cast flange has accurate blank shape and size, small processing capacity and low cost, but there are casting defects (pores, cracks and inclusions); The internal organization streamline of the casting is poor (if

  • How are rubber joints stored and transported

    Marking, packaging, transportation and storage1) SignsThe rubber joints shall at least have the following permanent marks: manufacturer name, product name, product specification, model and working pressure.2) PackagingPackaging shall be carried out according to the agreement between the supplier and

  • Application scope of wedge gate valve

    Wedge gate valve can bear high pressure because its sealing surface is at an angle to the vertical centerline and has good sealing. Generally, the valve stem of wedge gate valve is subject to quenching and tempering and surface nitriding treatment, which has good corrosion resistance and scratch res

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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