Material Options
High carbon or alloy spring wire
Extension Springs
Representative extension spring category for applications that need hook-end adaptation and stable pulling performance.
Product Overview

Used to discuss end style, extension force, fatigue expectations, and export packaging requirements.
High carbon or alloy spring wire
0.20 mm to 3.50 mm
Heat treatment and anti-rust finish where needed
Mechanical reset and pull applications
Coiling, hook forming, calibration, inspection
Force testing and shape verification
Export-ready packaging with lot control
Available for custom and repetitive demand
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