Xiamen Xinshunyan Industry Co., Ltd · Xiamen, China · Since 2000 [email protected] Tel +86 592 5229768
Springs supplied to automotive manufacturers
Industry Application

Springs for Automotive

Automotive assemblies use springs in seat mechanisms, trim clips, latches, pedal returns, interior fittings and accessory hardware. These parts cycle constantly, sit in a wide temperature range and are inspected against a fixed standard on every batch.

Pain Points

What Goes Wrong With Springs in Automotive

Batch to batch variation gets a supplier delisted

Coiling programmes, a fixed heat treatment route and magnetic powder flaw detection keep production batches behaving like the approved sample.

Corrosion in wheel arch and door positions

Dacromet, galvanising and black coatings are all available so the finish can be chosen for salt and moisture exposure rather than appearance alone.

Hooks and legs that fatigue in service

Shot peening and generous transition radii at hooks and legs extend fatigue life in parts that move every time the door or seat is used.

Suitable Parts

Spring Types Used in This Industry

Reference Parts

Production photographs of parts from the families above.

Delivery Capability

From Enquiry to Delivered Batch

The same seven step route applies to every industry we supply, with inspection built into it rather than added at the end.

Material sourcing
Coiling and forming
Heat treatment
Surface treatment
Quality inspection
Packing
Shipping

Automotive Spring Questions

Do you work to customer drawings and part numbers?

Yes. Non-standard and OEM drawings are the normal basis for production, alongside ISO standard designs.

What inspection equipment do you have in house?

Precision tensile strength testers and magnetic powder flaw detectors, used alongside dimensional checking of coil geometry.

Can you support a sample approval process before production?

Sampling before production is how every new part starts here, and the approved sample becomes the reference for later batches.

Discuss Your Automotive Requirement

Tell us the position the spring sits in, the load it carries and the environment around it. That is enough to start.