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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: Changzai
  • Model Number: Multiple
  • Style: Waved
  • Load Type: Compression
  • Material: Steel, 60Si2Mn,SUP7,SUP9
  • Usage: Automobile;Auto;Car, Trailer parts
  • Name: Trailer truck leaf spring for trailer suspension
  • Size: Opitional
  • Max payload: 13/16/18T
  • Sample: Can be offered
  • Certification: ISO9001/TS16949
  • Color: Optional
  • Design: As your drawings
  • Standard: America or Germany standard

Packaging & Delivery

Packaging Details In wooden crates or as the clients' request
Delivery Time Within 2-3 weeks

Trailer Truck Leaf Spring/ Trailer Suspension Accessories


All types and models trailer spare parts with high quality and reasonable price







Trailer Truck Leaf Spring/ Trailer Suspension Parts Main Details:


1. Components: Leaf,clip,center bolt.

2. Types: Conventional/ Parabolic/ Z Type leaf spring.

3. Materials: SUP7, SUP9, and  60Si2Mn are available.

4. Width: 75mm,100mm,120mm; Thickness: 6-50mm.

5. Color: Red,shinning black,dark black,grey,blue.

6. Truck,trailer,bus suitable:













Our Advantages:


1. More than 10years manufaturing factory with ISO&TS certification, high quality, reasonable price,    

     fast delivery!

2. Small order quantity can be accepted

3. Professional service from order to shipping

4. OEM service and packaging designed service

5. Optional leaf spring sizes are available







Sorts Trailer Truck Leaf Spring/ Trailer Suspension Accessories Pictures:




If any specifical requirements, please don't heasitate to contact us, we will try our best to cooperate with your esteem company!            







Leaf Spring Using On Truck Semi Trailer Suspension:










Leaf Spring/ Semi Trailer Suspension Accessories Manufacturing Process:



Multi-leaf springs are made as follows:

1.Shearing of flat bar

2.Center hole punching / Drilling

3.End Heating process 
forming (hot & cold process)

  (1).Eye Forming / Wrapper Forming

  (2).Diamond cutting / end trimming / width cutting / end tapering

  (3).End punching / end grooving / end bending / end forging / eye grinding

  (4).Center hole punching / Drilling / nibbing

4.Heat Treatment


  (2).Camber forming



5.Surface preparation

  (1).Shot peening / stress peening


6.Eye bush preparation process

  (1).Eye reaming / eye boring

  (2).Bush insertion

  (3).Bush reaming


  (1).Presetting & load testing

  (2).Paint touch-up

  (3).Marking & packing







Our Other Truck Semi Trailer Accessories Prodcuts:












Packing & Shipping:









Company Information:


Liangshan Changzai Machinery Manufacturing Co., Ltd. is located in Liangshan county, which is Chinese trailer(special use vehicle)production base. We are more than 10years' factory professional design and manufacture the semi-trailer parts, including Axle series, Suspension System series, Leaf  Spring Series, Landing Gear series, King Pin series, Fifth Wheel series, Air Brake Chamber series, Twist lock, etc




Based o the concept of “customer needs is our eternal goal”, we have designed and developed hundreds series of new products in these years, We utilize the advanced technology to ensure cost efficiency for our customers and assist customers to develop products that are responsive to market demands. We have advanced production equipment, professional research and development team. Products are strict in accordance with the ISO9001 international quality system certification standards. 







Our Certification:









Contact Us:


Sincerely welcome friends old and new to visit our factory and discuss business co-operation with us. We will repay our clients with better service and products all the time.




  Liangshan Changzai Machinery Manufacturing Co.,Ltd.


                                  Welcome to our company!


                                                                Contact person: Jessie Wang

                         Mobile: 008615192698191(Whats app)







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China (Mainland) | Manufacturer, Trading Company
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