Professional Flanges & Pipe Fittings Manufacturer @ LFDY

PRODUCTS

WHO WE ARE

WELCOME TO LFDY

Langfang Dingyang Flange Pipe Fitting Co.,Ltd 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/TCarbon, alloy and stainless steel fittings and flanges including ANISI, ASME, JIS, DIN, NPT etc.Carbon and Stainless steel valves including ANISI, API, JIS, DIN, NPT.

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FROM CUSTOMERS

We hold "hundred percent customers' satisfaction" as our goal, providing timely and efficient after-sales services to our customers.

More than ten years’ business partner and friend! Very satisfied with your high-quality flanges and pipe fitting, you can always with high quanlity and low price , all can meet our requirement. ! Excellent!

just like your saying: LFDY- low price ,first quality ,delivery soon,yes we can . All come ture ! you have keep your words . so glad to be partner with you and your company .

erveytime you reply me very quickly no matter any news and any time . you and your workers are Professional , Responsible, Efficient, Trustworthy.

Tks for your friendly support last year ,your company give me so large discount and good payment term .so I can win in my local market . I am sure that we will have much more order of flange and pipe fitting

NEWS

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Principle of angle globe valve
1. When the angle globe valve is opened, when the opening height of the valve disc is 25% ~ 30%...
What is angle globe valve
Angle globe valve is a forced sealing valve, so when the valve is closed, pressure must be appl...
How to Calculate the Weight of Stainless Steel Flange?
Usually domestic, we use stainless steel flange, it is the common lathe to produce the flange, ...
Carbon Steel Flange Seal Is Through The Pretension Force of Bolts
The carbon steel flange seal is through the pretension force of the bolts, causes the gasket an...

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Langfang Dingyang Flange & Pipe Fitting Co.,Ltd wishes you a happy Dragon Boat Festival！
The Dragon Boat Festival, also known as the Dragon Boat Festival, Dragon Boat Festival and Tian...
Langfang Dingyang Flange & Pipe Fitting Co.,Ltd wishes you a happy Qingming Festival Vacation
Qingming Festival, also known as the outing Festival, Xingqing Festival, March Festival and anc...
Flange instructions
Flange instructions 1.Stub End A Stub End always will be used with a Lap Joint flange, as a bac...
Our Manager Vist Los Angeles
Our manager arrived in Los Angeles today. The scenery is very beautiful.Everything is going wel...

OUR PARTNERS

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.