Changzhou Liyu spring Co., Ltd
| Corrosion Resistance | High Corrosion Resistance |
| Hook Type | Machine Hook / Extended Hook / Cross Over Hook |
| Payment Terms | L/C,T/T |
| Surface Treatment | Zinc Plating / Nickel Plating / Passivation |
| Tolerance | According to Customer Drawing |
| Fatigue Life | Customized Cycles |
| Application | Automotive, Medical Equipment, s, Industrial Equipment |
| Drawing Format | CAD, PDF, STEP |
| Material | Stainless Steel / Carbon Steel / Alloy Steel |
| Product Type | Tension Spring / Extension Spring |
| Packaging Details | Standard export packaging |
| Customization | OEM & ODM Available |
| Inspection | Load Testing, Fatigue Testing, Dimension Inspection |
| Certification | ISO13485；ISO14001；IATF16949 |
| Place of Origin | China |
| Brand Name | Liyu |
| Model Number | Tension Spring |
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Product Specification
| Corrosion Resistance | High Corrosion Resistance | Hook Type | Machine Hook / Extended Hook / Cross Over Hook |
| Payment Terms | L/C,T/T | Surface Treatment | Zinc Plating / Nickel Plating / Passivation |
| Tolerance | According to Customer Drawing | Fatigue Life | Customized Cycles |
| Application | Automotive, Medical Equipment, s, Industrial Equipment | Drawing Format | CAD, PDF, STEP |
| Material | Stainless Steel / Carbon Steel / Alloy Steel | Product Type | Tension Spring / Extension Spring |
| Packaging Details | Standard export packaging | Customization | OEM & ODM Available |
| Inspection | Load Testing, Fatigue Testing, Dimension Inspection | Certification | ISO13485；ISO14001；IATF16949 |
| Place of Origin | China | Brand Name | Liyu |
| Model Number | Tension Spring | ||
| High Light | SWC helical extension springs ，galvanizing helical extension springs ，SWP wire tension spring | ||
Our automotive compression springs are designed for vehicle components requiring strength, stability, and long service life. They are commonly used in automotive systems, suspension components, engines, and mechanical assemblies. With strict quality control and advanced production technology, we provide reliable spring solutions for automotive manufacturers and suppliers.
| To customize the tension spring, you need to provide the following necessary parameter information: | ||
| Wire diameter d: mm | (Note: the diameter of the spring wire) |
|
| Outer diameter D2: mm | (Note: the diameter of the outer circle of the spring) | |
| Length L0: mm | (Note: the free height of the spring) | |
| Number of circles Na: circle | (Note: the total number of turns of the spring) | |
| For customized compression springs, you also need to provide the following technical requirements: | ||
| turn around: | (Description: left-handedright-handed) | |
| Material requirements: | (Such as: stainless steel wire SUS, carbon steel wire SWC, piano wire SWP, copper wire... etc.) | |
| Surface treatment: | (Description: blackening/galvanizing/nickel plating/chrome plating/baking paint/powder spraying/electrophoresis/shot peening/dacromet/electrolytic polishing...etc.) | |
| Pull hook form: | (Description: round hook/semi-circle hook/U hook/middle ear/change hook... etc.) | |
| Strength requirements: | (Note: Elastic performance, other technical requirements, etc.) | |
| Characteristic | Parameter |
|---|---|
| Straight closing |
| Short hook closing | |
| Hinge closing | |
| Straight twist closing | |
| Curved closing | |
| Double twist closing | |
| Blackening |
| Shot Peening | |
| Apply anti-rust oil | |
| Zinc plating | |
| Polishing | |
| Electrolytic polishing | |
| Nickel plating | |
| Dacromet | |
| Teflon spray | |
| Carbon spring steel wire SWC |
| Piano wire SWPB | |
| Stainless steel wire SUS301, SUS302, SUS304, SUS316, SUS631 | |
| 65Mn | |
| 82B | |
| 55CrSi (SWOSC-V) | |
| Nickel-plated wire, galvanized wire | |
| Copper wire, phosphor copper wire, beryllium copper wire | |
| Square wire, flat wire, semicircular wire | |
| Alloy material wire | |
| Other special specifications steel wire | |
| Wire diameter specifications | 0.1~6mm |
Company Details
Business Type:
Manufacturer
Year Established:
1994
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Changzhou Liyu spring Co., Ltd., founded in 1994, is located in Jincheng Town Industrial Park, Jintan District, Changzhou City, with convenient transportation.The company specializes in producing compression spring, tension spring, torsion spring, scroll spring, spring contact finger, spring clamp... Changzhou Liyu spring Co., Ltd., founded in 1994, is located in Jincheng Town Industrial Park, Jintan District, Changzhou City, with convenient transportation.The company specializes in producing compression spring, tension spring, torsion spring, scroll spring, spring contact finger, spring clamp...
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