double adjustable torsion springs

Product Description

 

Material	1.high carbon spring steel; music wire; stainless
	2.stainless steel(SUS301,302,304,316,201,202);
	3.Aluminum: Al6061, Al6063, etc
	4.alloy steel(60Si2MnA,55CrSi,50CrV,60SiCr8A);
	5.Bronze: C51000, C52100, C54400, etc.
	6.Iron: 1213, 12L14,1215,etc.
	7.Brass
Wire diameter	0.1mm~80mm.
Surface Finishing	black, Zinc/ Nickel/Silver/Golden/Tin plated ,polishing ,anti-rust oil, passivation ,powder coating
Heat Treatment	Tempering,Hardening,Spheroidizing,Stress Relieving.
Standard	ISO9001
OEM	Can made by your drawings, sample and dimension
Process	Material → Production → Heat treatment → Surface treatment
	→ QC Inspection → Packing → Shipping
Sample  Availablity	we can make sample within 7 days free of charge ,
	if there is available tool for us.
Lead time	10-15 working days as usual,It will based on the detailed order quantity.
Application	hardware, plastic parts, toy, automobile, electrommunication,
	lamps and lanterns, clamp, switch, mirror, gift, art ware, molds, household appliances.
After  sales service	we will follow up goods for every customer
	and help solve problem after sales.

Our Services

 

1.Customized  design is available OEM ODM are welcome 

2 Reply your enquiry in 24 working hours 

3 Expericenced staffs will answer all your questions in professional and fluent English 

4.Exclusive unique solution can be proof provided by our well-trand and professional  engineers

5.Special discount  can be offered with large quantity

6.We will try our best to meet your requirements and supply you best quality auto coil spring for suspen

Our main products are as follows

 

1Compression spring

2.Extension spring

3.Torsion spring

4.Disc spring

5.Die spring

6.Conical spring

We accept a variety of styles of spring customization,if you want to custom,please kindly supply bellow information:

 

1.Material

2.Wire diameter

3.Surface treatment

4.Inner diameter and outer diameter(ID and OD)

5.Free length and work length

6.Total coils and active coils

7.Application

Of course,a detailed spring drawing is the best.

Company Infromation

 

Qingdao Pingyang International Trading Co., Ltd., was established in 2014,a famous and professional extension spring supplier.

 

we are located in Qingdao, north of China. Our factory near the Qingdao Liuting International Air Port and Huangdao Sea Port,the traffic is very convenient.

 

Which specializes in Industrial Casters. Bead Roller Machine . Hand Trolley. Corner Guards . Wire Springs

.

If you want to get high quality extension spring, please visit Qingdao Pingyang International Trading Co., Ltd.