factory direct supply trailer suspension parts leaf spring

                                           Features for leaf spring                                

  factory direct supply trailer suspension parts leaf spring--leaf spring

                               Leaf spring manufacturing process                          

  factory direct supply trailer suspension parts leaf spring

 1.Shearing of flat bar

 2.Center hole punching

 3.End heating process forming

4. Heat treatment:

     a. heating

       b. camber forming

       c. quenching

       d. tempering

5. Surface preparation:

    a. shot penning / stress peening

       b. painting

6. Eye bush preparation process:

    a. Eye reaming / eye boring

       b. Bush insertion / bush reaming

 7. Assemble:

    a. Presetting & load testing

       b. Paint touch-up

       c. Marking &packing

We can also provide moer trailer parts,such as:axle,suspension ,leaf spring ,brake chamber,king pin

fifth wheel,landing gear and so on.

                                          Our company’s advantages                           

1 OEM manufacture in semi trailer parts

2 Can be customized

3 ISO9001:2000 certificate

4 steady and large supply

5 reasonable and competitive price

6 efficient and professional service on export trade 

                                    Company Brief Introduction                               

  factory direct supply trailer suspension parts leaf spring--company information

Shandong Liangshan Zhengyang Trailer Parts CO.,LTD is a professional manufacture in semi-trailer parts,

located in the famous trailer base—Liangshan,Jining,Shandong province. 8000 square meters workshop,

over 200 professional workers,ISO9001:2000 certificate in product quality, neary 10 years’ experiences

in producing semi trailer parts, enjoying high reputation,I’m sure we could serve you well.

                                                     Exhibition                                          

factory direct supply trailer suspension parts leaf spring--exihbition show

                                                   Contact                                                 

factory direct supply trailer suspension parts leaf spring--contact