Changzhou Liyu spring Co., Ltd
| Tolerance | According to Customer Drawing |
| Hook Type | Machine Hook / Extended Hook / Cross Over Hook |
| Surface Treatment | Zinc Plating / Nickel Plating / Passivation |
| Heat Treatment | Stress Relieving / Heat Treatment Available |
| Payment Terms | L/C,T/T |
| Corrosion Resistance | High Corrosion Resistance |
| Application | Automotive, Medical Equipment, s, Industrial Equipment |
| Fatigue Life | Customized Cycles |
| Material | Stainless Steel / Carbon Steel / Alloy Steel |
| Customization | OEM & ODM Available |
| Inspection | Load Testing, Fatigue Testing, Dimension Inspection |
| Product Type | Tension Spring / Extension Spring |
| Packaging Details | Standard export packaging |
| Certification | ISO14001；ISO13485；IATF16949 |
| Brand Name | Liyu |
| Place of Origin | China |
| Model Number | Tension Spring |
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Product Specification
| Tolerance | According to Customer Drawing | Hook Type | Machine Hook / Extended Hook / Cross Over Hook |
| Surface Treatment | Zinc Plating / Nickel Plating / Passivation | Heat Treatment | Stress Relieving / Heat Treatment Available |
| Payment Terms | L/C,T/T | Corrosion Resistance | High Corrosion Resistance |
| Application | Automotive, Medical Equipment, s, Industrial Equipment | Fatigue Life | Customized Cycles |
| Material | Stainless Steel / Carbon Steel / Alloy Steel | Customization | OEM & ODM Available |
| Inspection | Load Testing, Fatigue Testing, Dimension Inspection | Product Type | Tension Spring / Extension Spring |
| Packaging Details | Standard export packaging | Certification | ISO14001；ISO13485；IATF16949 |
| Brand Name | Liyu | Place of Origin | China |
| Model Number | Tension Spring | ||
| High Light | heavy duty tension spring Hook ，Nickel Plating heavy duty tension spring ，Nickel Plating tension coil spring | ||
We are a professional custom compression spring manufacturer specializing in high-quality coil spring solutions for global industrial customers. Our compression springs are produced with advanced manufacturing equipment and strict quality control to ensure excellent elasticity, accurate dimensions, and long service life. We provide OEM and ODM services based on customer drawings, samples, and technical requirements. From standard compression springs to complex customized designs, we deliver reliable spring solutions for various industries.
| 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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