Stainless steel Extension spring
1:The price is more competitive
2:Precision quality and pass ISO9001 :2008
Stainless steel  Extension spring
feature:

Material: metal
Spring loops and hooks in various shapes
Changeable spring diameter
Advanced manufacturing and testing equipment
Strict quality control and management
Export directly and standard material
Applications: all kinds of cars, machines, electronic products, electric appliance, cameras, stationery, computers, power switches, miniature switches, architecture, commodity and home appliance, A/V equipment, hardware and plastic moulds, sports equipment and gifts  .