Changzhou Liyu spring Co., Ltd
| Packaging Details | Standard export packaging |
| Payment Terms | L/C,T/T |
| Spring Type | Sheathed Compression Spring / Encapsulated Spring |
| Inspection Method | Load Testing / Dimension Inspection |
| Custom Service | Available |
| Structure Type | Spring with Protective Sleeve / Covered Spring |
| Manufacturing Process | CNC Spring Coiling / Assembly |
| Product Type | Sheath Spring |
| Place of Origin | China |
| Certification | ISO14001；ISO13485；IATF16949 |
| Brand Name | Liyu |
| Model Number | Sheath spring |
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Product Specification
| Packaging Details | Standard export packaging | Payment Terms | L/C,T/T |
| Spring Type | Sheathed Compression Spring / Encapsulated Spring | Inspection Method | Load Testing / Dimension Inspection |
| Custom Service | Available | Structure Type | Spring with Protective Sleeve / Covered Spring |
| Manufacturing Process | CNC Spring Coiling / Assembly | Product Type | Sheath Spring |
| Place of Origin | China | Certification | ISO14001；ISO13485；IATF16949 |
| Brand Name | Liyu | Model Number | Sheath spring |
| High Light | SWC steel coil springs ，SWP steel coil springs ，SWC heavy duty industrial springs | ||
We are a professional custom protective spring manufacturer specializing in high-quality spring protection solutions for industrial applications. Our protective springs are designed to protect cables, hoses, pipes, and mechanical components from external damage, abrasion, and impact. With advanced spring manufacturing technology and strict quality control, we produce customized protective springs according to customer drawings, dimensions, and application requirements. We provide reliable OEM solutions for various industries.
| 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-handed Right-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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