Dot Air Brake Fittings

Your Professional Dot Air Brake Fittings Manufacturer

D&R Metal Industry has a wide range of quality dot air brake fittings to boom your business. Partner with us now!

  • Fully customized dot air brake fittings
  • Over 15 years’ experience
  • DOT-approved guaranteed
  • 24/7 online support

Why D&R is Expert in Dot Air Brake Fittings Manufacturing

D&R Metal industry ensures each dot air brake fittings are constructed to the customer’s specifications. We make sure that your D&R dot air brake fittings are delivered with satisfying quality. We have the most advanced production line and over 15 years of manufacturing experience.

D&R Metal IndustryYour Professional Dot Air Brake Fittings Manufacturer


We have thousands of brass air brake hose-end fittings available in our factory. We can customize the air brake hose-end fitting according to your specifications.


We have a large inventory of precision grip fittings to complete your business. Once you bear with us, we can fully support to boom your business.


Whether you need a push to connect air brake fittings, you can have it on D&R Metal Industry. We can design your air brake fittings to your requirements.


We have robustly-made truck valves for your intended applications.  All brass construction with metal-to-metal seats for high heat/fluid compatibility.

Straight Fitting Long

We stock a wide range of available custom and standard straight-fitting long for your plumbing applications. You can avail yourself at a very competitive rate.

608 Straight Drive Fitting

We produce different models of straight drive fitting to fit your applications. These are available in many different sizes and specifications.

Features of Dot Air Brake Fittings

Factory Strength
The factory in Ningbo Jiangbei District covers an area of 5,000 square metres and has an annual production capacity of 2,000 tonnes and reliable productivity.
1 Year Warranty
You will get one year warranty for all your dot air brake fittings orders. If you have any problems after one year, we can also provide you with free online support.
Detailed Q&A
We have a full list of FAQs and answers to dot air brake fitting, which you can check for yourself at the bottom of this page. In the meantime, we are waiting for your inquiry!
Quality Check
Before each batch of dot air brake fittings is shipped, we would arrange for a special quality inspector with rich experience to inspect the weight and thread of the valves.

D&R Dot Air Brake Fittings

In China, D&R Metal Industry is a well-known and expert fabricator of dot air brake fittings and other brass fittings. We manufacture and supply brass pipe fittings, brass connectors, brass plugs, brass adaptors, and many more.

Each D&R air brake fittings and other products have passed a high level of standards. We integrate research, design, and perform deep machining services for dot air brake fitting productions.

Brass Valve & Fitting Manufacturer

How We Manufacture Your Dot Air Brake Fittings

cut material
We will choose the right brass material based on your order
test material
Material Testing
We will make strict testing on your Dot Air Brake Fittings material, after the material is ok, then we will arrange the material cutting
brass forging
Forging process can ensure the right shape based on your order requirement
sand blasting
Sand Blasting
Sand Blasting will make your Dot Air Brake Fittings surface clean and smoothly.
CNC Machining
CNC machining is the most important process to ensure all detais are based on your order requirement.
brass plating
Brass Plating
we can make different plating according to your requirement, including the thickness,t he color, the plating material, the test standard
Brass Valves Assembly
We will assemble your Dot Air Brake Fittings from different parts, you will see the final valves after this process.
water pressure testing
Water Pressure Testing
We make 100% air pressure testing on each of your Dot Air Brake Fittings before packaging and shipping.

Rocket Your Business with D&R Dot Air Brake Fittings

brass valve and fittings design

D&R Metal Industry – Your Premier Dot Air Brake Fittings

Manufacturer in China

Being one of the professional manufacturers and suppliers in China, D&R Metal Industry produces a wide range of DOT-approved brass fittings like dot air brake fittings. In China, D&R Metal Industry is one of the best and certified manufacturers and suppliers that you can count on.

D&R dot air brake fittings are manufactured from excellent quality brass material. Our dot air brake fittings will bring countless features and advantages to industrial compressed air systems and motor vehicles.

This DOT-approved air brake fittings are guaranteed corrosion-resistant to your applications. Aside from that, D&R DOT air brake fittings featuring low magnetic permeability and ductility at high temperatures. And you can easily use our DOT air brake fittings.

Brass Dot Air Brake Fitting

Through the years, we have been professional in manufacturing custom and standard dot air brake fittings. Yes, we can custom dot air brake fittings to meet your needs. And D&R Metal Industry has been supplying these DOT-approved air brake fittings worldwide.

You can rely on D&R Metal Industry! D&R Metal Industry has professional engineers and owns a state-of-the-art production line. In fact, we utilize over 10 sets of forging machines and 100 sets of CNC machines.

Being a reliable and trusted manufacturing company in China, D&R Metal Industry provides manufacturing services such as forging, drilling, CNC machining, sawing, machining, etc. We can support you from designing to shipping to finalize your projects right away.

Dot Approved Air Brake Fitting

D&R Metal Industry obtain a high-level sales number in China and the domestic market. You can avail of our D&R DOT air brake fittings in different sizes and specifications. Our wide range of dot air brake fittings and other brass valves and fittings will take you almost all options in the plumbing industry.

We produce these dot air brake fittings to satisfy your requirements. Whether big or small dot air brake fitting orders, we can accommodate your needs.

If you’re looking for a professional dot air brake fitting, D&R Metal Industry, operating in China, is the best choice!

Contact us immediately!

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