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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Changrong
  • Model Number: CR-PA-001
  • Material: PA6, PA11, PA12
  • Specification: 3/4"
  • Length: 5.8m
  • Thickness: 2mm
  • Standard: ISO9001
  • Product name: Trailer truck air brake coiled spiral hose nylon PU spiral air hose
  • Color: as per your request
  • Application: used for Air system connections in tractors,trucks
  • Type: Flexible
  • Feature: Corrosion Resistant
  • Size: Customized Size
  • Packing: Carton
  • Working pressure: 7-8Mpa
  • Certification: ISO Certificate
  • Other name: Trailer truck air brake coiled spiral hose nylon PU spiral air hose

Packaging & Delivery

Packaging Details Use for the Air system connections in tractors,trucks,trailers,semi-trailers.
Delivery Time Shipped in 3 days after payment
Product Description

Trailer truck air brake coiled spiral hose nylon PU spiral air hose


car spare parts china supplier PA12 PU spiral air hose for hydraulic fitting

 PA6, PA11, PA12, PU
Use for the Air system connections in tractors,trucks,trailers,semi-trailers.
Working Pressure
 7--8 Mpa and the operating temperature is -40--120°
Dimension of the hose
Length and working length 
7.5 meters / 4.5 meters (22 coils)
black, white, red, blue, yellow, green, and so forth
Manufacturing Standard 
QC/T80-93, DIN73378/74324
CCC, ISO, TS16949


1. OEM Manufacturing welcome: Product, Package...
2. Sample order
3. We will reply your inquiry within 24 hours.
4. After sending, we will track the products for you every two days, until you get the products. When you got the

goods, test them, and give me a feedback.If you have any questions about the products, contact with us, we will offer you the best solution..

Detailed Images
Other Products

1. Nylon tube
2. PU hose
3. Trailer air brake hose(PA, PU)
4. Trailer 7 core cable
5. Pneumatic fitting ( plastic quick push in fitting, brass quick fitting etc)
6. Brass fitting( Voss fitting, brass quick fitting, brass fitting)
7. Pipe/hose fitting( Nylon tube 3 pcs, 7 pcs, 10 pcs fitting set, Air connectors, Banjo fitting, banjo bolt, grease nipple etc)
8. Air coupler air palm coupling head( used with trailer air brake hose)
9. Hydraulic fitting

Our Company

Zhuji City Chongrong Machinery Co.,Ltd. specializes in the production of Chongrong Series pipe connectors for automobiles and auto air pressure brake hose assemblies. Located in China's New South Hardware City---Diankou Town, the hometown of Chinese ancient beauty-Xishi, our company enjoys the excellent geographic location and convenient transport.

Packing & Delivery

Packed in standard export carton box 

Delivery by air or by sea


1. ISO 9001

2. TS 16949

3. DOT 

4. TUV 


Our products has been sold to Frankfurt, dubai, Russia, Iran, India, Germany, Turkey, South Africa and other countries and regions. Also we are attending different exhibitions both home and abroad. Our product has won high praise from the customers all over the world~
Hope we may meet at our booth someday


Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.

Q3. What is your terms of delivery?

Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;

2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.

Pls kindly contact me through the following ways and Welcome to visit our factory! Thank you! Contact details: 
Contact person
0086 18157579520
Whatsapp & wechat
0086 18157579520
Trade manager
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