Specifications

1)galvanized boat trailer leaf springs
2)ISO certificate
3)good price and quality

galvanized boat trailer leaf springs   

 

Top Quality Truck Trailer Leaf Spring Main Dimesnion:

 

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

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

3.Thickness:12mm,16mm

4.Pieces:9,12

5.Weight:86,84

 

Truck Trailer Leaf Spring Specification

 

1. Components:Leaf,clip,center bolt

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

3. Materials:SUP6, SUP7, SUP9, SUP9A, SUP10, SUP11 and SUP11A 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: 5T Trailer Leaf Spring
* FOB Price: 450 ~ ~ 550 Per Ton 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 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.