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Precision Custom Springs & Metal Components

Manufactured in China with global quality standards. Serving aerospace, automotive, medical, industrial, and electronics industries with high-performance spring solutions.

Custom Spring Manufacturing
China Spring Parts Facility

Trusted Spring Manufacturing in China

China Spring Parts Inc. is a leading manufacturer of precision springs and metal components with multiple facilities across China. We specialize in custom-engineered solutions for demanding applications in aerospace, medical, automotive, and industrial markets.

With decades of experience and advanced metal forming equipment, we deliver high-quality springs with fast turnaround times and strict quality controls. Our Kando Tech Center provides design assistance and custom software integration to ensure optimal performance.

20+
Years Experience
10+
Global Locations
8
Manufacturing Sites
100+
Industrial Applications

Our Precision Spring & Metal Products

From micro springs for medical devices to heavy-duty magazine springs, we manufacture a full range of custom metal components with tight tolerances and consistent quality.

Compression Springs

Compression Springs

  • Wire diameter: .007 to .625 inches
  • Bar stock up to 2.0 inches
  • Round, rectangular, square & special-section wire
  • Standard & custom body shapes
Extension Springs

Extension Springs

  • Wire diameter: .007 to .625 inches
  • Custom end configurations
  • Round, rectangular, square & special-section wire
  • Ideal for automotive & industrial applications
Torsion Springs

Torsion Springs

  • Wire diameter: .007 to .625 inches
  • Custom leg angles and lengths
  • Round, rectangular, square & specialty wire
  • Used in electrical & office equipment
Wire Forms

Wire Forms

  • Wire diameter: .007 to .315 inches (8mm)
  • Round, rectangular, square & special-section wire
  • Strip/flat forms up to 5.0 inches wide
  • Fabricated with other parts & assemblies
Battery Contacts

Battery Contacts

  • Round wire & strip material
  • Nickel-plated carbon steel (commonly stocked)
  • Sizes: .020” (.5mm) & .024” (.6mm)
  • Custom materials available
Shaped Rings

Shaped Rings

  • Wire diameter: .010 to .625 inches
  • Round, half-round, square, rectangle & specialty
  • Hexagon, oblong & custom ring shapes
  • Used in sealing & fastening applications
Hooks & Paint Hooks

Hooks & Paint Hooks

  • Wire diameter: .004 to .625 inches
  • Bar stock up to 2.0 inches
  • Round, rectangular, square & special-section wire
  • Custom configurations available
Micro Springs

Micro Springs

  • Compression, extension, torsion & double torsion
  • Standard, semi-precious & precious materials
  • Commonly used in medical applications
  • High precision & tight tolerances
Magazine Springs

Magazine Springs

  • Wire diameter: .007 to .187 inches (round)
  • Specialty packaging options available
  • Used in firearms & industrial feed systems
  • Durable & fatigue-resistant designs
Metal Stampings & Flat Springs

Metal Stampings & Flat Springs

  • Strip thickness: .004 to .125 inches
  • Width up to 5.0 inches
  • High-volume production capability
  • Used in electronics & connectors

Advanced Manufacturing Capabilities

Our state-of-the-art facilities and engineering expertise ensure precision, consistency, and fast delivery for every custom order.

Custom Manufacturing

Full-service custom spring and metal component production from prototype to high-volume runs.

Design Assistance

Engineering support for spring design, material selection, and performance optimization.

Fast Turnarounds & Prototypes

Rapid prototyping and quick-turn production to accelerate your product development.

Assembly & Finishing

Value-added services including assembly, plating, heat treatment, and packaging.

Advanced Quality Controls

ISO-compliant inspection processes with SPC, first-article inspection, and full traceability.

Specialty Packaging

Custom packaging solutions including tape & reel, bulk, and anti-static options.

Kando Tech Center

Dedicated R&D team for innovation, simulation, and custom software integration.

Materials Expertise

Working with carbon steel, stainless steel, music wire, phosphor bronze, and exotic alloys.

Global Supply Chain

Reliable logistics and inventory management for just-in-time delivery worldwide.

Strategic Manufacturing Locations in China

A network of advanced facilities across China ensures local responsiveness with global quality standards.

Shenzhen
Guangzhou
Foshan
Suzhou
Wenzhou
Ningbo
Beijing
Hangzhou
Shanghai CSPI
Dongguan HQ

Headquarters: No. 19 Liuhua Road, Liuhua Industrial, Xikou Dongcheng, Dongguan 523115, China
Phone: (86)0769-2305 3589 | Email: [email protected]

Engineering Resources & Tools

Access technical data, calculators, and support tools to streamline your spring design and procurement process.

Springulator®

Online spring design calculator for compression, extension, and torsion springs.

Try Springulator →

Technical Downloads

Access catalogs, material specs, and engineering guides.

Download Resources →

FAQs & Glossary

Find answers to common questions and industry terminology.

View FAQs →

Ready to Start Your Project?

Contact our engineering team for custom quotes, design assistance, and technical support.

Email: [email protected]

Phone: (86)0769-2305 3589

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