Custom Spring Manufacturer China | Precision Springs Supplier

Your Premier Partner in Precision Spring Manufacturing

ChinaCustomSpring is a leading custom spring and wire forming manufacturer based in Ningbo, China. With decades of specialized experience, we provide high-quality precision spring components to clients across North America, Europe, Asia, and emerging markets.

Our commitment to consistent quality, competitive pricing, and continuous improvement has earned us long-term partnerships with industries ranging from automotive and medical to electronics and industrial machinery.

ISO-Compliant Quality Control

Global Delivery & Custom Compliance

Custom Solutions from Drawings or Samples

Comprehensive Spring & Wire Forming Portfolio

We manufacture a wide range of precision springs and wire forms to meet diverse industrial requirements, from standard components to fully custom designs.

Compression Springs

Ideal for shock absorption and resistance applications. Used in automotive, medical, and industrial equipment.

• Materials: 65Mn, Alloy Steel, Stainless Steel
• Applications: Automotive, Machinery, Electronics
• Custom lengths, wire diameters, and loads

Torsion Springs

Designed for rotational force applications in mechanical and automotive systems.

• Precision-wound for consistent torque
• Used in levers, hinges, and actuators
• Available in carbon and stainless steel

Extension Springs

Provide pull force in applications requiring tension, such as garage doors and trampolines.

• Hooks or loops customized per design
• High fatigue resistance
• Corrosion-resistant finishes available

Die Springs

Heavy-duty springs for tool and die applications with high load capacity.

• OD: 6mm–60mm (JIS & ISO standards)
• Materials: 65Mn, Alloy Steel
• Annual capacity: 10 million pcs

Custom Wire Forms

Precision-bent components for specialized mechanisms in various industries.

• Made from customer samples or drawings
• Complex geometries and tight tolerances
• Materials: Spring steel, stainless, brass

Constant Force Springs

Deliver uniform force throughout deflection, ideal for retractors and cable management.

• Consistent load over extended travel
• Compact design saves space
• Long cycle life

Disc Springs

High-load capacity in limited space, used in valves, clutches, and presses.

• Stackable for variable load profiles
• Compliant with DIN 2092/2093
• Heat-treated for durability

Wave Springs

Space-saving alternative to traditional coil springs with high load in minimal space.

• Axial load in reduced space
• Available in stainless steel
• Used in aerospace and medical devices

Battery Springs

Reliable contact springs for battery compartments in consumer and industrial electronics.

• High conductivity materials
• Corrosion-resistant plating
• Custom shapes and sizes

Gas Springs

Controlled motion for lifting, lowering, and damping in furniture and equipment.

• Adjustable force and stroke
• Durable seals and rods
• Wide temperature range

Why Global Partners Choose ChinaCustomSpring

Our commitment to excellence, quality, and customer service sets us apart in the precision spring industry.

Stable Quality

We implement rigorous ISO-compliant inspection protocols to ensure every spring meets exact specifications and performs reliably in your application.

Low Cost

Competitive pricing due to efficient production and material control—without compromising on quality or performance.

Punctual Delivery

On-time delivery for samples and production orders—ensuring your supply chain runs smoothly and efficiently.

Good Service

We respond within 24 hours and offer full support—from design consultation to after-sales service.

Sample Availability

Free samples available within 7 days if tooling exists. Low-cost tooling for non-standard parts.

Industrial Experience

Trusted by clients in the U.S.A., Canada, Germany, France, Japan, and more. Proven track record across six continents.

Commitment to Quality & Compliance

At ChinaCustomSpring, we understand that quality is the foundation of long-term success. Our quality control systems are designed to meet and exceed international standards.

ISO-compliant inspection and testing procedures
Material certifications (ASTM, EN, JIS standards)
Advanced automation for consistent production
Reliable supply chain and inventory management

Our philosophy: "Credit First, Quality First" — guiding every decision and interaction.

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Precision Custom Springs & Wire Forms