Full-spectrum Application of Springs in New Energy Vehicles: Scenarios, Data and Solutions by Mascot Technology

I. New Energy Vehicle Spring Market: Robust Growth Amid High Entry Barriers

1. Market Size and Growth Rate

• Global Market: Data for Q1 2026 shows the global market for dedicated new energy vehicle springs has exceeded 28 billion RMB, registering a compound annual growth rate (CAGR) of 21.3%, well above that of springs for conventional fuel vehicles.
• China Market: The market size reached 3.27 billion RMB in 2025, a year-on-year increase of 8.6%. It is projected to hit 3.54 billion RMB in 2026, up 8.2% year on year. Springs for high-voltage contactors, fatigue-resistant battery systems and high-temperature electric drive systems see the fastest growth, acting as key growth drivers.
• Value Upgrade: Thanks to performance improvements, the unit price of new energy vehicle springs is 23.4% higher than that of traditional counterparts. Long fatigue life (≥ 500,000 cycles), lightweight design (wire diameter reduced by 8%–12%) and salt spray resistance (≥ 720 hours) have become standard requirements.
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2. Core Industry Thresholds

II. Main Types and Application Scenarios of Springs for New Energy Vehicles

1. Electric Drive System: High Temperature & Fatigue Resistance for Stable Power Output

1. Wave Springs: Used for preloading motor end covers, gearbox clutches/brakes and reducer bearings. Mascot wave springs adopt the gradient tempering process. After 1,500 hours of continuous operation at 80℃ and 85% humidity, the spring force retention rate reaches 98.5% (industry standard: ≥ 90%). The actual service life in motors hits 800,000 cycles with deformation no more than 0.02 mm, outperforming the industry average.

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2. Compression Coil Springs: Applied to motor brush compression and reducer shift mechanisms. Designed to work steadily from -40℃ to 120℃ with a fatigue life of no less than 500,000 cycles. Made of high-strength alloy with multi-stage temperature-controlled heat treatment, our products feature a force tolerance within ±3%, compatible with mainstream motor models of Tesla, BYD and other brands.
3. Belleville Springs: Deployed for gearbox hydraulic clutches and motor shock absorption components to endure frequent impact. Manufactured with imported alloy steel, they deliver a fatigue life of 1 million cycles and operate reliably at a constant high temperature of 120℃.

2. Chassis Suspension System: Lightweight & High Load Capacity for Comfort and Safety

1. Suspension Coil Springs: Core parts for front and rear suspensions to absorb road shocks and bear the weight of battery packs. Made of lightweight high-strength spring steel (SUP12 with AlSi coating), our products feature a 10% smaller wire diameter, 12% lower weight and 15% higher load capacity compared with traditional products. The fatigue life reaches 500,000 cycles, and the salt spray resistance lasts no less than 720 hours.
2. Stabilizer Bar Springs (Torsion Bar Springs): Reduce body roll during cornering and enhance handling stability. Domestic sales in China reached 31.5 million units in 2025, with a unit price of approximately 72 RMB. Adopting precision cold coiling technology, Mascot products achieve a torque tolerance within ±2% and a fatigue life of 800,000 cycles.
3. Leaf Springs: Mainly used for new energy commercial vehicles such as logistics vehicles and buses, featuring strong load capacity and simple structure. Our variable cross-section design cuts weight by 8% and raises load capacity by 10%.

3. Battery System: High Insulation & Vibration Resistance to Ensure Energy Safety

1. Wavelet Canted Coil Springs: Key components for high-voltage distribution boxes, battery pack busbar connections and charging pile contacts, responsible for high-current conduction and elastic compensation. Featuring numerous contact points and large elastic compensation range, Mascot products offer stable conductivity and a fatigue life of 1 million cycles, suitable for 800V high-voltage platforms.

1. Extension Springs: Used for bundling and fixing battery modules and positioning shock absorbers. Made of stainless steel with insulating coating, they resist vibration and corrosion, with a fatigue life of no less than 500,000 cycles, preventing module loosening and wiring abrasion.
2. Retaining Rings / Circlips: Applied to battery pack housing sealing and module positioning. Produced via precision stamping, they achieve a dimensional accuracy of 0.01 mm with uniform elasticity, meeting the IP67 protection rating requirements of battery packs.

4. High-Voltage Connection System: High Conductivity & Arc Resistance to Reinforce Safety

1. Charging Pile Contact Springs: Core parts connecting charging guns and piles for high-current conduction (250A–500A) and frequent plugging and unplugging (≥ 10,000 cycles). Specially developed with high-conductivity alloy and wear-resistant coating, Mascot contact springs have a service life of 20,000 plug cycles and a contact resistance no more than 5 mΩ.
2. High-Voltage Contactor Springs: Control the on-off of high-voltage circuits with excellent arc and fatigue resistance. Our products achieve a fatigue life of 180,000 cycles, far exceeding the industry standard of 100,000 cycles.
3. Precision Torsion Springs: Fitted for locking mechanisms of high-voltage connectors to prevent detachment and loosening. Manufactured with micro precision coiling technology, they deliver uniform spring force, match 800V high-voltage platforms and improve the safety of high-voltage connections.

5. Intelligent Accessory System: Miniaturization & High Precision for Smart Cockpits

• Power Tailgate Springs: Assist tailgate lifting with low noise and labor-saving performance. Made with low-noise coiling technology, they have an opening/closing life of no less than 50,000 cycles.
• Sunroof / Wiper Springs: Realize precise opening, closing and wiping with miniaturized structure. Wire diameter ranges from 0.2 mm to 2 mm with a dimensional accuracy of 0.01 mm.
• Door Lock / Antenna Springs: Ensure precise operation and stable signal transmission. Our products feature stable elasticity and aging resistance, compatible with various smart door locks and vehicle antennas.
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III. Mascot Technology: All-scenario Spring Solution Provider for New Energy Vehicles

1. Corporate Strength: 20 Years of Experience & Global Manufacturing Layout

2. Core Technologies: Three Major Advantages to Solve Industry Pain Points

• High-temperature Elastic Stability Technology: Our proprietary gradient tempering process accurately controls the heat treatment curve. The spring force retention rate remains above 98% at extreme temperatures from -40℃ to 120℃, solving the problem of elastic attenuation under high working temperatures in electric drive systems.
• Micron-level Precision Manufacturing: Equipped with CNC spring machines and 60 high-precision forming devices. All key parameters are inspected to an accuracy of 0.01 mm with 100% full inspection to ensure consistent product quality.
• High-strength Lightweight Materials: We select imported alloys, stainless steel and high-conductivity copper alloys, combined with composite coatings for wear resistance, corrosion resistance and insulation. This integrates lightweight design, high strength and long service life, with the maximum fatigue life reaching 100 million cycles.

3. Customized Services: Rapid Response to Meet Vehicle Manufacturing Requirements

IV. Industry Trends and Future Development of Mascot Technology

1. Industry Trends

• Performance Upgrade: Products are evolving toward longer fatigue life (≥ 1,000,000 cycles), wider temperature adaptability (-50℃ to 150℃) and lighter weight (15%–20% weight reduction), to adapt to 800V high-voltage platforms and lightweight vehicle bodies.
• Integration: Springs are integrated with electronic control, shock absorption and sealing parts to form modular assemblies, simplifying vehicle assembly and improving system stability.
• Material Innovation: Titanium alloy, carbon fiber composite materials and high-performance conductive alloys are gradually applied on a large scale to further boost performance and reduce weight.
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2. Development Layout of Mascot Technology

• Capacity Expansion: A new plant covering 20,000 square meters will be completed in August 2026. An additional 50 sets of high-precision CNC equipment will raise the annual production capacity of new energy vehicle springs to 5 million units to fulfill orders from leading automakers.
• Market Expansion: We will deepen cooperation with leading domestic automakers, and expand into the new energy markets of Europe and Southeast Asia to support mainstream overseas vehicle brands, striving to build a top global brand for precision springs for new energy vehicles.
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Conclusion