Changzhou Liyu spring Co., Ltd
| Surface Treatment | Zinc Plated, Nickel Plated, Chrome Plated, Black Oxide, Electrophoresis, Powder Coating, Passivation, None |
| Application | Automotive, Medical, s, Industrial Equipment, Agricultural Machinery, Aerospace, Consumer Products |
| Payment Terms | L/C,T/T |
| Wire Diameter | 0.05–20 mm or Customized |
| Drawing | PDF / CAD / STEP / IGES / DWG |
| End Type | Closed Ends, Open Ends, Ground Ends, Closed & Ground Ends |
| Sample | Available |
| Packaging Details | Standard export packaging |
| Corrosion Resistance | Standard / High / Marine Grade |
| OEM/ODM | Supported |
| Material | Stainless Steel (304, 316, 302), Music Wire, Carbon Steel, Oil Tempered Wire, Chrome Silicon, Chrome Vanadium, Inconel X750, Monel, Hastelloy, Phosphor Bronze, Beryllium Copper, Titanium |
| Name | Compression Spring |
| Place of Origin | China |
| Model Number | Compression Spring |
| Certification | ISO14001；ISO13485；IATF16949 |
| Brand Name | Liyu |
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Product Specification
| Surface Treatment | Zinc Plated, Nickel Plated, Chrome Plated, Black Oxide, Electrophoresis, Powder Coating, Passivation, None | Application | Automotive, Medical, s, Industrial Equipment, Agricultural Machinery, Aerospace, Consumer Products |
| Payment Terms | L/C,T/T | Wire Diameter | 0.05–20 mm or Customized |
| Drawing | PDF / CAD / STEP / IGES / DWG | End Type | Closed Ends, Open Ends, Ground Ends, Closed & Ground Ends |
| Sample | Available | Packaging Details | Standard export packaging |
| Corrosion Resistance | Standard / High / Marine Grade | OEM/ODM | Supported |
| Material | Stainless Steel (304, 316, 302), Music Wire, Carbon Steel, Oil Tempered Wire, Chrome Silicon, Chrome Vanadium, Inconel X750, Monel, Hastelloy, Phosphor Bronze, Beryllium Copper, Titanium | Name | Compression Spring |
| Place of Origin | China | Model Number | Compression Spring |
| Certification | ISO14001；ISO13485；IATF16949 | Brand Name | Liyu |
| High Light | SUS316 stainless compression springs ，Automotive stainless compression springs ，SUS316 bulk compression springs | ||
We are a professional compression spring manufacturer specializing in high-quality custom coil springs for global industrial customers. Our compression springs are produced with advanced equipment and strict quality control to ensure excellent elasticity, durability, and consistent performance. We provide OEM and ODM spring solutions according to customer drawings, samples, specifications, and application requirements. From small precision springs to heavy-duty industrial compression springs, we deliver reliable spring products for various industries.
Technical parameters of cylindrical spiral compression spring
| To customize the compression 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.) | |
| End form: | (Explanation: TightenGrindTightly polish) | |
| Strength requirements: | (Note: Elastic performance, other technical requirements, etc.) | |
Spring end characteristics
| Characteristic | Parameter |
|---|---|
| Cylindrical |
| Hourglass | |
| Shrink both ends | |
| Fixed pitch | |
| Conical | |
| Closed at both ends | |
| The ends are flat | |
| Variable pitch | |
| Barrel | |
| Two End opening | |
| The ends are not flat | |
| 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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