7mm-50mm Auto Laminated Leaf Spring

Factory advantage:
1, Two leaf spring production lines with 24 hours continuous production
2, Advanced technology and well-equipped.
3, The production process in strict accordance with the ISO/TS16949 standards implementation
4, Product quality through purchasing monitoring process monitoring the final test to complete
5. Own designing team for new product development

Production steps:
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

Product Advantage:
1, High quality with good performance
2, Inexpensive
3, Raw material selection
4, ISO9001 ISO/TS16949

Packing:
Iron pallet or wooden pallet

Production Capacity:
50000tons per year

Service:
We guarantee swift service efficiency and swift service skills.
It's our sincere wish that we will have the privilege of serving you soon.