4MM high strength long life spring steel auto extension spring

Specification

The wire diameter from 0.1~30mm

Material

Titanium, Carbon steel,65MN ,60si2mn, Cr5, Iron,  Flat wire, Square wire, SUS304,316,302 etc.

Surface Treatment

usually zinc plating , hot dip gavarnising , black zinc , chrome plating , powder coating ,rubbering , painting etc

Applications

Machinery ,auto, motocycle, bicycles ,instrument, electrical equipment, household appliances, furniture, mechanical equipment, daily living equipment, electronic sports equipment, light industry products, sanitation machinery, market/ hotel equipment supplies, artware etc.

Packaging

We uaually use inner packing box and master cartons or sometimes packed in polywood or steel pallets

Shipping port

Shanghai or others

Main Markets

North America, South America, Eastern Europe , West Europe , North Europe, South Europe, South Asia, Africa

How  to order

      *If you have a detailed drawing (cad file , pdf file and stp file will be ok with us )--- You send us drawing with detailed material & specs tolerance , quantity , packing requirement , destination port , your forwarder agent in China , delivery methods and delivery date , documents requirements etc 

     *If you only have an original sample ---- You send us the sample with detailed material & specs tolerance , quantity , packing requirement , destination port , your forwarder agent in China , delivery methods , documents requirements etc 

     * If you only have some ideas in mind , just tell us --- we design for you.

     * We will give prices as per drawing ,original samples or our design based on some other detailed requirements. once you approve the prices , we will make counter samples if you need
4MM high strength long life spring steel auto extension spring