Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Outer Diameter | 6.00-10.00 mm |
| Inner Diameter | 3.20-4.20 mm |
| Thickness | 0.20-0.50 mm |
| Deflection | 0.04-1.25 mm |
| Load Capacity | 12-357 N |
| Material | 60Si2MnA, 50CrVA, 304/316 Stainless Steel |
| Plate Count | Customizable |
| Stiffness | Stable |
| Deformation | Minimal |
| Fatigue Resistance | Tested |
| Hardness | Measured |
| Dimensional Tolerance | Verified |
| Production Capacity | 5 million pieces/year |
| R&D Team | 12 Engineers |
| Certifications | ISO 9001, IATF 16949 |
| Patents Held | 75 |
| Manufacturing Area | Sihong Economic Development Zone |
| Registered Capital | 13 million RMB |
| Employees | 63 |
| Annual Output | 5 million pieces |
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Product Specification
| Outer Diameter | 6.00-10.00 mm | Inner Diameter | 3.20-4.20 mm |
| Thickness | 0.20-0.50 mm | Deflection | 0.04-1.25 mm |
| Load Capacity | 12-357 N | Material | 60Si2MnA, 50CrVA, 304/316 Stainless Steel |
| Plate Count | Customizable | Stiffness | Stable |
| Deformation | Minimal | Fatigue Resistance | Tested |
| Hardness | Measured | Dimensional Tolerance | Verified |
| Production Capacity | 5 million pieces/year | R&D Team | 12 Engineers |
| Certifications | ISO 9001, IATF 16949 | Patents Held | 75 |
| Manufacturing Area | Sihong Economic Development Zone | Registered Capital | 13 million RMB |
| Employees | 63 | Annual Output | 5 million pieces |
| High Light | Custom industrial-grade disc spring ，Belleville washer 60Si2MnA material ，Precision load-bearing disc spring | ||
Jiangsu Sunzo Elastic Technology Co., Ltd. (SUNZO) is a leading disc spring manufacturer based in Suqian, Jiangsu Province, specializing in reliable custom disc spring solutions for global industrial applications. Established in 2018 with 13 million RMB registered capital, we are a government-recognized high-tech enterprise holding 75 patents and certifications including ISO 9001 and IATF 16949 automotive quality management system.
Our product portfolio includes standard disc springs, Belleville washer stacks, wave springs, and custom springs manufactured using high-grade materials:
SUNZO's disc springs are widely applied in hydraulic systems, precision machinery, automotive components, and aerospace equipment.
Our quality control process adheres to strict international standards, with each batch undergoing fatigue testing, hardness measurement, and dimensional verification to ensure reliable performance under extreme conditions.
| Item Number | D (mm) | d (mm) | t (mm) | t' (mm) | H0 (mm) | h. (mm) | h0/t | 25% Deflection (mm) | 25% Load F(N) | 50% Deflection (mm) | 50% Load F(N) | 75% Deflection (mm) | 75% Load F(N) | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 001-001 | 6.00 | 3.20 | 0.30 | 0.45 | 0.15 | 0.50 | 0.04 | 45 | 0.08 | 84 | 0.11 | 119 | 0.04 | |
| 001-002 | 8.00 | 3.20 | 0.20 | 0.40 | 0.20 | 1.00 | 0.05 | 12 | 0.10 | 21 | 0.15 | 26 | 0.06 | |
| 001-003 | 8.00 | 3.20 | 0.30 | 0.55 | 0.25 | 0.83 | 0.06 | 46 | 0.13 | 79 | 0.19 | 104 | 0.10 | |
| 001-004 | 8.00 | 3.20 | 0.40 | 0.60 | 0.20 | 0.50 | 0.05 | 69 | 0.10 | 130 | 0.15 | 186 | 0.13 | |
| 001-005 | 8.00 | 3.20 | 0.50 | 0.70 | 0.20 | 0.40 | 0.05 | 128 | 0.10 | 246 | 0.15 | 357 | 0.17 | |
| 001-006C | 8.00 | 4.20 | 0.20 | 0.45 | 0.25 | 1.25 | 0.06 | 21 | 0.13 | 33 | 0.19 | 39 | 0.06 | |
| 001-007B | 8.00 | 4.20 | 0.30 | 0.55 | 0.25 | 0.83 | 0.06 | 52 | 0.13 | 89 | 0.19 | 118 | 0.09 | |
| 001-008A | 8.00 | 4.20 | 0.40 | 0.60 | 0.20 | 0.50 | 0.05 | 78 | 0.10 | 147 | 0.15 | 210 | 0.11 | |
| 001-009 | 10.00 | 3.20 | 0.30 | 0.65 | 0.35 | 1.17 | 0.09 | 51 | 0.18 | 82 | 0.26 | 98 | 0.17 |
Website: www.sunzospring.cn
Sales Department: +86-18005182879
We provide prompt quotation responses, technical consultation, and comprehensive after-sales service including installation guidance and performance monitoring.
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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