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 .

     * You place the official order after you approve the counter samples and you pay 30% deposit

     * After receiving your deposite , we begin the bulk production .

     * We can send bulk samples to you if you need .

     * When the goods is done and you approve the bulk samples , we deliver it to your forwarder agent in China.

    * You pay us the balance after you see the B/L Copy .

    * The whole order is done, thank you!!

Urgent and small orders

    *We take these orders only for those customers who will be our long term customers or  who has long term cooperation with us
    *We usually make the bulk directly and send a bulk before delivery to insure the quality and delivery

Samples

   *New Customers :  We will charge sample cost ,but will return sample cost after the order placed .
   *Airmail cost : We can pay or you pay with your freight collected account number in dhl , fedex , tnt , ups etc . This cost will not be returned

Prices

    *Every one need a good price . That is part of our great job as we usually make bulk in our own factories which are very very competitive within China, even when we outsource , we have to ensure the prices won't exceed .
    *To get more customers , some  manufacturer will make the first order lower than market prices . We will never take this . As a factory , we have to keep certain profit to survive . Once we work , you will benefit from our good quality , fast delivery , good prices , good services . We know the first order is very important for following orders , so we will keep same profit rate for all customers . We will lower prices or even we give up all our profit  if your quantity is huge or our customers meet difficulty in prices.

Long term cooperation relationship

With Miracles trade

   * We hope sincerely that we can have a long time cooperation with each of our customers ---- no matter big or small customer . So we make low profit and keep high quality .
   * As we supply many kinds of products , we usually make or buy group orders for our customers which can save them a lot of time .
   * We hope our customers can give us a reply or comments or feedback after receiving our prices or our samples , no matter our prices works or not , your great comments would give us more chance to improve .