custom small Stainless Steel Extension Tension Spring or little spring with Double Hooks

$2.00
100-499 Pieces
$1.50
500-999 Pieces
$1.00
>=1000 Pieces
Min. Order
100 Pieces
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Company Information

Dongguan Xingzhuyou Hardware Spring Products Co., Ltd.

CN Manufacturer
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1 Year Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: Shenzhen
Payment Terms: L/C,D/A,T/T
Supply Ability: 5000 Piece/Pieces per Day
Place of Origin: Guangdong China
Style: Spiral
Load Type: Extension
Material: Alloy
Usage: Industrial
Packaging Detail: Inner packing with plastic bags and outer packing with cartons or packing as per your requirement
Product Description

General spring terminology



Technical terminology for extension  spring :



Information required to customize the spring:
Product name
e.g.Nickel Plated Battery Compression Spring
Usage
e.g.used in battery boxes require good conductivity
Material
Depending on your request or on the basis of other information you provide, we will recommend the best choice of materials.
Stainless steel (sus);Carbon steel (swc);Music wire (swp);Copper;Iron,Aluminum
Size
Wire Thickness/outer diameter              Technical drawings are a better way.
Style
Coil,Conical,Cylindar,Disk,Diaphragm,Dish,Drum,Flat,Leaf,Plate,Spiral, Waved
Heat treatment
Tempering,Stress relieving
Finish
White zinc/ color zinc/ blue zinc/Nickel/chromium/copper/ Silver/Gold plating;  Teflon,Dacromet, the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, rust preventive oil, titanium alloy galvanized, plastic, electroplating, anodizing etc.
Standard
ANSI.API.BS.DIN.JIS.GB.etc.
Certificate
ISO9001:2008.SGS, ROHS
Rust proof
yes/no
Endurance Limit
10,000-100,000 Times
Test
Salt Spray Test;Coating thickness test;Abrasion test;Fatigue test
Lead Time
sample/mass production
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Pin&Shaft

Product progress

  Make sample

Make samples according to technical drawings or customer requirements


  Sample testing

Check dimensions, hardness, strength and, if necessary, further modification.

  Mass production

In the production process, carry out regular spot check. In order to guarantee the stable quality of the product


   Heat treatment

Some products require heat treatment to increase hardness and relieve stress


   Surface treatment

Different surface treatment according to customer's requirements such as anti-rust, beauty, etc.


    Inspection

For high-precision products, carry out optical inspection to pick out defective products

How TO Order

For custom products, please refer to the following steps to purchase.


Step 1
Inquiry
lease send drawings or samples detailing all dimensions and specifications. You can refer to the  Product Description 
If you do not have detailed specifications, you can also provide any related requirements and contact us directly by email or Skype.
step 2
quotation
We will reply you within 24 hours, including price, material, process specification, lead time ;sample lead time;trade terms, etc.
Step3  
Discuss & Reach Agreement.

IF you have any questions,we can discuss it to find a better way to solve the problem. In the hope that we can finally reach an agreement
Step 4  
  Do sample
we produce samples and send them to you for confirmation or improvement.
Step 5
Place order
If you think the sample is all right, then place your order and pay a 30% deposit
Step6
Mass production
we do mass production and keep in touch with you.
Step7
Deliver&Payment
When the goods is done, we deliver the goods as your request and  You pay us the balance 
Step8 
 After-sales services, 
We follow up the after-sales services, any defectives will be refunded based on  technical reports.
Our Company

Factory

Our Factory

Workshop

Our Workshop

Warehouse

Our Warehouse

Equipment

Our equipment

FAQ

Q: Are you trading company or manufacturer ?

A: Yes, we're manufacturer in China , located in Dongguan. we provide a factory price and your visit is welcome. 

 Q:How can I visit your factory?

A: Pls kindly let us know in advance if you planing to visit. we can show you the way or pick you up at the station or airport

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD. 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:

Q:Can You Strictly Follow The Tolerance on Drawing & Meet The High Precision?

 A:According to the different product size and manufacturing process, there will be different tolerances.We can produce with the smallest tolerances in the industry