Good Service
We will respond to you within 24 hours. We can manufacture nonstandard parts according to your drawings. And we offer best after sale service.
LOW PRICE:
The price of our products is reasonable and competitive than other manufactures.
RICH EXPERIENCE:
We have been engaged in the springs for 25 years. Our company had good reputation with customers from American, Europe and Australia etc. We also have a good team for sale and quality control.
Products application:
automotive, motorbike, bicycle, aviation,automatic equipment, household appliance, medical devices ,toy, telecom ,computer, furniture,instrument and meter,switch,electric motor,elevator, electronic tools,mould(mold) and other industry.
Specification:
| Item name |
Heavy Duty Large Torsion Springs Torsion Coil Spring |
| Material Sections |
Round wire/Flat wire |
| Wire diameter |
0.15mm to 50mm, according to specific requirement |
| Material |
Carbon steel |
1066/ 65/ 65MN
9260/ SUP6,SUP7/ 60SiCr7/ 60C2/ 60Si2Mn |
| Stainless steel |
304/ S30400/ SUS304/ X5CrNi18-10/ 0Cr18Ni9
316/ S31600/ SUS316/ X5CrNi17.12.2/ 0Cr17Ni12Mo2
631/ S17700/ SUS631/ 1.4568/ 17-7PH |
Nickel alloy/
Nimonic alloy |
Inconel X-750/ NO7750/ 2.4669/ GH4145
Inconel 718/ NO7718/ 2.4668/ GH4169 |
|
Processing craft
|
Material purchased—Material testing—production—heat treatment
—surface treatment—final testing—package—shipping
|
| Heat treatment |
Tempering,Stress relieving |
| Finish |
Plain,Shot peened and oiled,Paint spraying (various colours),
Galvanised,Chrome plated,Nickel plated,Phosphated
|
| Quality Standard |
ISO 9001:2008, TS 16949 and ISO 14001 |
Why Choose Us?
♦Industrial experience
We specialized in the spring field since the year of 1993.
♦Sample availability
We can send samples for your approval within 7 days;Free of charge if we have available tool.
♦Quickly Delivery
As usual within 10 days.
♦Good service and best quality
Our business belief is "best competitive price,good service and best quality"
QC Profile
For over 20 years Lisheng has been committed to quality and customer satisfaction. In accordance with the requirements of ISO 9001:2008, TS 16949 and ISO 14001, we have established and are continuously improving upon our quality management systems.
Lisheng 's history of quality and strict compliance with military and aerospace standards has earned Lisheng an approved supplier status with many leading OEM manufacturers worldwide. We are dedicated to providing superior products with exceptional value.
Lisheng takes pride in providing the highest level of quality at every stage of the ordering and manufacturing process, from design to delivery. If you should have any comments, compliments or complaints, we want to know. Please let us know how we are doing by e-mailing: sales@lispring.com
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