Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Material composition | EN 10270-1 (spring steel), ASTM A313 (stainless steel) |
| Coiling tension | ±0.5N precision |
| Heat treatment temperature | ±3°C accuracy |
| Surface finish | Ra < 0.8μm |
| Dynamic load range | 0-5000N |
| Load accuracy | ±1% |
| Fatigue life cycles | 10⁷ cycles at 70% rated load |
| Dimensional tolerance | ±0.005mm |
| Salt spray resistance | 1000-hour per ASTM B117 |
| High temperature elasticity | 90% at 650°C |
| Biocompatibility standard | ISO 10993-5 |
| Force range | 0-5000N |
| Testing standard | ISO 13920 |
| Environmental conditioning | IEC 60068-2-30 |
| Material options | 316L stainless steel, Inconel 718, Titanium Grade 5 |
| Data retention | 10-year MES system |
| Dynamic shock simulation | 25+ scenarios |
| Thermal expansion simulation | Included in design |
| Corrosion fatigue simulation | Included in design |
| Delivery performance | 99.8% on-time |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
View Detail Information
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Product Specification
| Packaging Details | Carton | Delivery Time | Negotiable |
| Payment Terms | Negotiable | Material composition | EN 10270-1 (spring steel), ASTM A313 (stainless steel) |
| Coiling tension | ±0.5N precision | Heat treatment temperature | ±3°C accuracy |
| Surface finish | Ra < 0.8μm | Dynamic load range | 0-5000N |
| Load accuracy | ±1% | Fatigue life cycles | 10⁷ cycles at 70% rated load |
| Dimensional tolerance | ±0.005mm | Salt spray resistance | 1000-hour per ASTM B117 |
| High temperature elasticity | 90% at 650°C | Biocompatibility standard | ISO 10993-5 |
| Force range | 0-5000N | Testing standard | ISO 13920 |
| Environmental conditioning | IEC 60068-2-30 | Material options | 316L stainless steel, Inconel 718, Titanium Grade 5 |
| Data retention | 10-year MES system | Dynamic shock simulation | 25+ scenarios |
| Thermal expansion simulation | Included in design | Corrosion fatigue simulation | Included in design |
| Delivery performance | 99.8% on-time | Place of Origin | Sihong, China |
| Brand Name | Sunzo | Certification | CE/IATF16949/45001/14001/9001 |
| High Light | ISO9001 Helical Spring ，Helical Spring SS316L ，Industrial compression springs | ||
Our ISO 9001:2015 certified helical springs deliver verified quality assurance through a comprehensive quality management system spanning from raw material sourcing to final delivery. Annually audited by SGS, this certification validates our commitment to process excellence, risk mitigation, and continuous improvement.
Our design team utilizes SolidWorks 2024 and ANSYS Mechanical to simulate performance under 25+ real-world scenarios, including thermal expansion, corrosion fatigue, and dynamic shock loads, optimizing spring geometry for maximum durability.
| Material | Applications | Key Properties |
|---|---|---|
| 316L Stainless Steel | Marine/Chemical Environments | 1000-hour salt spray resistance per ASTM B117 |
| Inconel 718 | High-Temperature Applications | Maintains 90% elasticity at 650°C |
| Titanium Grade 5 | Medical Devices | Biocompatibility per ISO 10993-5 |
Our regional quality engineers in Germany, the U.S., and China provide on-site technical assistance and rapid non-conformance resolution. Documented results include:
• 40% reduction in field failures for Tier 1 automotive supplier
• 30% faster FDA clearance for medical device manufacturer through documentation support
• 99.8% on-time delivery with lifetime technical support guarantee
Choose our ISO 9001-certified helical springs for a quality partnership backed by 15+ years of engineering expertise and proven performance across automotive, aerospace, medical, and industrial sectors.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
1.2M-1.4M
Employee Number:
160~200
Ecer Certification：
Verified Supplier
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