Specifications

galvanized boat trailer leaf springs
All size are available
Conventional,Parabolic,Z-type,Galvanized,Multi type

 

1.Types:Conventional / Parabolic / Z Type Leaf Spring

2. Width :75mm,100mm,120mm

3.Thickness:12mm,16mm

4.Size: By OEM no. or Customized. All sizes are available

5.OEM no: TRA, UPCO, UNA...

6.Thickness: 6mm~50mm

7.High quality, Competitive price, Fast delivery

                                            Truck Trailer Leaf Spring Specification                             

 

1. Components:Leaf,clip,center bolt

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

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

4. Quality level: Excellent quality for international market, made in China

5. Certificate:ISO9001; TS16949; COC; PVOC; CIQ; SONCAP; BV; C/O; FORM E.

6. Truck,trailer,bus suitable:SCANIA,MAN,VOLVO,TOYOTA,BPW,RANDON,UAZ ,MERCEDES-BENZ,DAF,IVECO,HOWO,CIMC

 

 

Leaf Spring 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	(1).Heating
	(2).Camber forming
	(3).Quenching
	(4).Tempering
5.Surface preparation	(1).Shot peening / stress peening
	(2).Painting
6.Eye bush preparation process	(1).Eye reaming / eye boring
	(2).Bush insertion
	(3).Bush reaming
7.Assemble	(1).Presetting & load testing
	(2).Paint touch-up
	(3).Marking & packing
Leaf Spring Payment & Terms
* MOQ: 1T Trailer Leaf Spring
* FOB Price: 28-32USD Truck Leaf Spring
* Payment Terms: L/C, T/T, Western Union
* Supply Capacity: 2000 Tons per Month
* Delivery Time: About 7 Working Days
* Delivery Port: Qingdao,Shandong
* Package: By Pallet; 25TLeaf Spring  in 1X20FCL.

 

                                  Leaf spring production process                            

 

 

 

 

Certificate showcase:

 

 

 

 

About our service:

 

1. Q:What's your best price for this product?

A: We will quote you best price according to your quantity, so when you making an inquiry, please let us know the quantity you want.The more quantity the better price.

 

2. Q:How about the quality of this product?

A: Our products are certified to ISO9001, TS16949 international quality standards. We compay have very strict Quality Control Systems.

 

3. Q:What material of the product can you supply?

A: Steel 

 

4. Q:What's your MOQ? 

A: 10pcs for each model. We hope you can buy more to save more money.

 

5. Q:What's the delivery time?

A: For products that are in stock, we can ship it within 7 days after receiving your payment. For custom order, quantity within 24 tons, production time is 12-20 days after confirmed every details.

 

6. Q:What's your packing?

A:Our usual packing for this product is pallet, we can also supply you packing according to your requirements.

 

7. Q:Can we custom our own logo or label on this product?

A: Yes, you can. we support logo print & stamping & label print, print will be free if the logo is not very complex.

 

8. Q:What about the warranty?

A: We are very confident in our products, and we pack them very well to make sure the goods in well protection.

 

To avoid any subsequent trouble regarding quality issue, we suggest that you check the springs once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictrues and contact us as soon as possible,we will properly handle it, make sure your loss to reduce to the smallest .

 

 

About our comoany information:

 

Liangshan Changzai Machinery Manufacturing CO., Ltd. is located in Liang Shan County, which is Chinese trailer (special-use vehicle) production base. We have a factory professionally design and manufacture semitrailer parts, including landing gear series, kingpin series, air tanks, suspension systems, air brake chamber series, locks of containers, etc.