Changzhou Liyu spring Co., Ltd
| Packaging Details | Standard export packaging |
| Custom Service | Available |
| Spring Type | Sheathed Compression Spring / Encapsulated Spring |
| Inspection Method | Load Testing / Dimension Inspection |
| Manufacturing Process | CNC Spring Coiling / Assembly |
| Payment Terms | L/C,T/T |
| Structure Type | Spring with Protective Sleeve / Covered Spring |
| Spring Material | Stainless Steel / Carbon Steel / Alloy Steel |
| Product Type | Sheath Spring |
| Model Number | Sheath spring |
| Certification | ISO14001；ISO13485；IATF16949 |
| Brand Name | Liyu |
| Place of Origin | China |
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Product Specification
| Packaging Details | Standard export packaging | Custom Service | Available |
| Spring Type | Sheathed Compression Spring / Encapsulated Spring | Inspection Method | Load Testing / Dimension Inspection |
| Manufacturing Process | CNC Spring Coiling / Assembly | Payment Terms | L/C,T/T |
| Structure Type | Spring with Protective Sleeve / Covered Spring | Spring Material | Stainless Steel / Carbon Steel / Alloy Steel |
| Product Type | Sheath Spring | Model Number | Sheath spring |
| Certification | ISO14001；ISO13485；IATF16949 | Brand Name | Liyu |
| Place of Origin | China | ||
| High Light | Protective steel compression springs ，CNC steel compression springs ，CNC industrial compression springs | ||
We provide complete customized spring guard solutions including design support, material selection, precision manufacturing, quality inspection, and export services. Whether you need protective springs for cables, hoses, pipes, or special industrial equipment, our experienced engineering team can develop reliable solutions based on your requirements. With professional manufacturing capabilities and flexible OEM production, we help global customers improve component protection and service life.
| To customize the sheath 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) | |
| Pitch t: mm | (Spacing between two adjacent circles) | |
| Number of circles Na: circle | (Note: the total number of turns of the spring) | |
| To customize the sheath spring, 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: | (Explanation: blackening/galvanizing/nickel plating/chrome plating/baking paint/powder spraying/electrophoresis/shot peening/dacromet/electrolytic polishing...etc.) | |
| Strength requirements: | (Note: Elastic performance, other technical requirements, etc.) | |
| End form: | (Explanation: TightenGrindTightly polish) | |
Spring end characteristics
| Characteristic | Parameter |
|---|---|
|
Surface treatment |
Blackening |
| Shot Peening | |
| Apply anti-rust oil | |
| Zinc plating | |
| Polishing | |
| Electrolytic polishing | |
| Nickel plating | |
| Dacromet | |
| Teflon spray | |
|
Materials |
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 |
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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