DOT Air Brake Fittings | Puremix | Safety & Compliance

DOT-Compliant Air Brake Fittings: Engineered for Safety & Performance.

Dot Air Brake Fittings Manufacturer in China

Get Factory Price Start From 5000PCS

As an expert manufacturer, PUREMIX offering high quality Custom DOT Air Brake Fittings to enhance your yield.

Get An Instant Quote

Larger Capacity, Better Price.

Annual production up to 30 million PCS & lower wholesale price.

Lower MOQ, More Flexibility.

Save you more and generate higher profitability with 5000PCS MOQ.

Certified Products, Safety Guaranteed.

Compliance of ISO and EN, strictly production to guarantee quality.

We're Revolutionary Products

US Standard Series DOT-2

US Standard Series DOT-4

W Series DOT

S Series DOT

Italian Standard Series DOT

British Standard Series DOT Fitting

What Sets Us Apart

Strong Capacity.

Equipped with 140 CNC Lathes, the annual production capacity of up to 30 million PCS, our machines efficiently enhance your productivity.

Well-equiped.

We equiped with complete production lines, processing lines, and mold manufacturing and deep processing workshops.

Favorable Price.

Up to 10% lower raw material costs contributed by bulk order needs and stable supply guaranteed by manufacturing process, make it possible for our lower price.

Full Support & Service.

From pre-sales to manufacture and after-sales, we will provide the tailored solution according to your design and quote within 24 hours.

We're There Every Step of The Way

01 Dot Air (brass and Plastic) Brake Fittings

Puremix offer a comprehensive range of comprehensive range of dot air (brass and Plastic) brake fittings, Strongly Support ODM/OEM To meet your Unic require.

Get A Quote

02 Component Manufacturing

Free-Cutting Brass/Forging Brass
Forming Process
CNC Machining/Turning & Milling/Threading/Machining the Push-to-Connect Port/ Deburring & Finishing
Cleaning & Drying
Thread Sealant Application

Get A Quote

03 Assembly

By assembling internal components such as the O-ring, support ring, grab ring, and release collar, a complete push-to-connect mechanism is formed, which ensures a reliable seal and allows for quick tubing connection and disconnection.

Get A Quote

04 Finishing

To ensure compliance with DOT standards, our final quality inspection process involves comprehensive testing of the product's dimensional accuracy, sealing integrity, and key mechanical properties, including insertion/removal force, pull-out strength, and pressure resistance.

Get A Quote

05Marking & Packaging

FAfter a final cleaning, qualified products are protectively packaged, labeled with relevant information, and then moved into the warehouse to await shipment.
Packaging: Inspected finished products are packaged according to customer requirements, typically in individual small bags, then grouped into inner boxes or cartons, and labeled.

Get A Quote