Description
PRODUCT OVERVIEW
Custom Extension Springs
Custom Tension Spring Solutions
Dongli Precision manufactures custom extension springs for applications
requiring controlled tensile force, energy storage, and return movement.
Springs can be customized according to wire diameter, coil diameter,
spring length, initial tension, hook geometry, material, and surface finish.
We support prototype development, sample verification, heat treatment,
surface finishing, dimensional inspection, and stable repeat production.
Product Type
Custom Extension Springs
Materials
Spring Steel, Stainless Steel, Carbon Steel, Alloy Wire
Function
Tension, Energy Storage, Return Force
Key Parameters
Wire Diameter, Coil Diameter, Length, Initial Tension, Load
End Options
Hooks, Loops, Extended Ends, Custom Geometry
Production Volume
Prototype, Small Batch, Mass Production
