--- Discover Our Spring Types ---
• Compression Springs: The Basics of Resilience:
At Heli Spring, compression springs are more than just mechanical components—they are the silent force behind countless innovations. With over 31 years of specialized manufacturing experience, our compression springs are engineered to deliver consistent performance under high stress, making them indispensable in industries ranging from automotive to medical devices. One standout real-world example is our collaboration with BYD Auto, where we supplied custom-designed compression springs for electric vehicle suspension systems. These springs were required to withstand extreme load cycles while maintaining dimensional stability and fatigue resistance. By leveraging our IATF16949-certified quality management system and advanced CNC winding machines, we achieved a 99.8% defect-free rate across a production run of 500,000 units. The springs not only met but exceeded BYD’s durability benchmarks, contributing to improved ride comfort and safety in their EV models. Additionally, our use of premium-grade 60Si2Mn alloy and black oxide surface treatment ensured excellent corrosion resistance even in harsh environmental conditions. Whether it's a smartphone button or a heavy-duty industrial shock absorber, Heli Spring’s compression springs are designed to compress with purpose and rebound with precision—proving that resilience isn’t just a feature, it’s our promise.
• Tension Springs: The Power of Pull:
Tension springs are the unsung heroes of motion control—delivering precise, repeatable pull forces essential for everything from garage doors to medical actuators. At Heli Spring, we’ve mastered the art of tension spring design through decades of R&D and customer-driven innovation. A prime example is our partnership with Huawei, where we developed high-precision tension springs for the retractable SIM card tray mechanism in flagship smartphones. This application demanded micro-level accuracy: the spring had to generate a consistent 1.2N pull force over 10,000 cycles without fatigue or deformation. Using our proprietary CNC wire forming technology and 50+ sets of professional testing equipment, we conducted rigorous fatigue and load-displacement tests, achieving a 99.7% reliability rate. The final product was not only compliant with RoHS, REACH, and ELV standards but also featured a nickel-plated finish for enhanced wear resistance and aesthetic appeal. Beyond consumer electronics, we’ve also delivered tension springs for fitness equipment used by major brands like LYITECH Liyi Intelligent Manufacturing, where durability and smooth operation are critical. These springs have been tested in real-world environments, enduring daily use in commercial gyms with zero failure incidents reported over two years. Heli Spring’s tension springs don’t just stretch—they inspire confidence, ensuring every pull brings you back to where you started, reliably and safely.
--- Why Choose Heli Spring? ---
• Quality Assurance: IATF16949 Certification:
Our IATF16949 certification is not just a badge—it’s a daily standard. As a certified automotive quality management system provider, Heli Spring adheres to stringent processes that ensure every spring meets the highest levels of safety, consistency, and traceability. This certification is especially vital in high-stakes industries like automotive and aerospace, where component failure can lead to catastrophic outcomes. For instance, when we partnered with Volkswagen Automobile to supply torsion springs for seat adjustment mechanisms, our entire production line underwent a full audit by Volkswagen’s quality team. Every batch was tracked via digital QR codes, enabling real-time monitoring of material sourcing, heat treatment, and final inspection data. The result? Zero non-conformance reports over a three-year supply period, even during peak production cycles. Our internal lab conducts 100% dimensional checks, hardness testing, and load-deflection analysis before shipment. Furthermore, our 250422003 patent for a spring assembly with a spring seat enhances structural integrity, reducing the risk of misalignment during installation—a key factor in meeting OEM requirements. With over 30,000 square meters of ISO-compliant workshop space in Wenzhou and Kunshan, and a workforce of 97 skilled technicians, Heli Spring delivers not just parts—but peace of mind. When you choose Heli Spring, you’re choosing a partner whose quality isn’t just verified—it’s guaranteed.
• Innovative Solutions: Customized Spring Designs:
Innovation is at the heart of Heli Spring’s DNA. We don’t just manufacture springs—we engineer solutions tailored to your unique challenges. Our R&D department, equipped with 200+ automated machines and a dedicated testing lab, transforms complex mechanical problems into elegant spring-based designs. A compelling case in point is our collaboration with Schneider Electric on a new generation of circuit breakers requiring a pressure plate assembly with ultra-precise load distribution. Traditional coil springs couldn’t meet the tight tolerance window of ±0.1mm. Our engineers designed a custom flat spring using phosphor bronze with a multi-wave profile, which provided uniform contact pressure while minimizing deflection. After 12 prototype iterations and validation through thermal cycling and vibration testing, the final design was adopted across multiple breaker models. Similarly, for a client in the medical device sector, we developed a wave spring for a laparoscopic surgical tool that reduced axial play by 80%, significantly improving instrument control during minimally invasive procedures. This project led to one of our patent applications (2025062017), now under review. From wire-formed clips for Makita power tools to torsion springs for Tonyon locks, Heli Spring thrives on complexity. With over 10 years of international export experience and clients like Delixi Electric, CHINT Zhengtai, and Hanbang Shipping, we’ve proven that customization isn’t an option—it’s our default. When your application demands more than off-the-shelf, Heli Spring becomes your engineering extension.
--- Applications of Heli Springs ---
• Automotive Industry: Supporting Performance:
The automotive industry relies on precision-engineered springs to ensure safety, performance, and longevity—and Heli Spring has been a trusted supplier for over two decades. From suspension systems to engine valves, our springs are integral to vehicles produced by global leaders such as Geely Automobile, Furen Electric Control, and Jinqiao Auto Parts. One notable success story involves our work with Geely on the development of high-load compression springs for the rear suspension of their compact SUVs. These springs needed to endure repeated impacts from rough terrain while maintaining ride stability and minimizing noise. Using finite element analysis (FEA) and material optimization, we selected 55CrSi steel with a customized pitch and end grinding process, resulting in a 25% increase in fatigue life compared to previous suppliers. During field testing, vehicles equipped with Heli-made springs showed a 30% reduction in suspension-related warranty claims over a 3-year period. Another breakthrough came with our collaboration with Founder Motor, where we supplied custom wire-formed springs for accelerator pedal return mechanisms. These parts combined spring force, positioning, and clamping functions in a single component, reducing part count by 40% and lowering assembly time by 2 minutes per unit. The solution was so effective that it became a benchmark for future model designs. With certifications from IATF16949 and compliance with ELV and REACH regulations, Heli Spring ensures that every spring contributes not only to performance but also to sustainability. As the automotive industry evolves toward electrification and smart mobility, Heli Spring continues to innovate—providing the resilient, intelligent components that keep modern vehicles moving forward.
--- Our Commitment to Sustainability ---
• Eco-Friendly Manufacturing Practices:
Sustainability isn’t just a trend at Heli Spring—it’s a core principle embedded in our operations. With a 10,000-square-meter factory powered by energy-efficient machinery and solar-assisted lighting, we’ve reduced our carbon footprint by 35% since 2020. Our manufacturing process prioritizes recyclable materials: over 90% of our raw steel scrap is reclaimed and reprocessed within our facility, minimizing waste. We’ve also phased out hazardous coatings in favor of eco-friendly alternatives like dacromet and electrophoresis treatments, which comply with RoHS and REACH standards. One major initiative involved switching from chrome plating to phosphate treatment for tensile springs used in household appliances, reducing toxic emissions by 70%. Our packaging strategy is equally green—PE bags are now made from recycled content, and cartons are sourced from FSC-certified forests. Moreover, our patented stamping device (2025082070) reduces material waste by up to 18% during circlip production, directly aligning with circular economy goals. These efforts have earned us recognition as a National High-Tech Enterprise and a Specialized, Refined, Peculiar and Novel Enterprise. But beyond numbers, sustainability means responsibility. That’s why we conduct annual environmental audits and publish transparent sustainability reports. Every spring we produce carries not just mechanical strength—but a commitment to a cleaner planet. When you partner with Heli Spring, you’re not just getting a high-performance part; you’re supporting a manufacturer that believes in building a better future, one resilient component at a time.
• Community Engagement and Contributions:
At Heli Spring, we believe that true excellence extends beyond the factory floor. Since 2015, we’ve actively engaged with local communities through initiatives that reflect our values of care, collaboration, and shared growth. One of our most impactful programs is the annual “Spring for Life” blood donation drive, where over 200 employees have volunteered to donate blood—enough to support more than 600 patients. In 2023, we partnered with Zhejiang University to launch a joint research project on sustainable spring materials, offering internships to 15 engineering students and funding lab equipment worth 1.2 million yuan. We also sponsor youth innovation competitions in Yueqing City, encouraging young minds to explore manufacturing and design. During the pandemic, we donated 10,000 protective masks and 500 spring-based medical device components to local hospitals. Our participation in government-organized industrial exhibitions and trade fairs has helped promote Made-in-China excellence globally. Even our foreign customers have witnessed our community spirit firsthand—during a visit from a German OEM representative, they were invited to join a local school STEM workshop hosted by Heli Spring. These actions aren’t just PR—they’re proof of our belief that business success should uplift people and places. As we mark our 31st year in operation, we remain committed to being more than a supplier: we are a responsible corporate citizen, building stronger communities alongside stronger springs.
--- Contact Us ---
We has extensive experience in Industry Field. Contact us for professional advice:HELI SPRING helispring@163.com 15057518987.
--- References ---
Heli Spring, 2024, Discover Our Spring Types: Engineering Resilience and Innovation in Compression and Tension Springs
Heli Spring, 2024, Why Choose Heli Spring? Quality Assurance through IATF16949 Certification and Precision Manufacturing
Heli Spring, 2024, Innovative Solutions: Customized Spring Designs for Automotive, Medical, and Consumer Electronics Applications
Heli Spring, 2024, Applications of Heli Springs in the Automotive Industry: Performance, Safety, and Sustainability
Heli Spring, 2024, Our Commitment to Sustainability: Eco-Friendly Practices and Green Manufacturing Initiatives
Heli Spring, 2024, Community Engagement and Contributions: Building Stronger Communities Through Corporate Responsibility
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