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Custom Springs from China - Leading Suppliers and Factory for All Your Applications
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Cam type spring forming machine

Cam type spring forming machine
10 Axes CNC Camless Spring forming Machine (Without wire rotation) (Wire Range:0.2-2.5mm)

10 Axes CNC Camless Spring forming Machine (Without wire rotation) (Wire Range:0.2-2.5mm)
CNC Camless Spring Machine (Wire Range:0.2-2.5mm)

CNC Camless Spring Machine (Wire Range:0.2-2.5mm)
CNC Camless Coiling Spring Machine (Wire Range:1.2-4.5mm)

CNC Camless Coiling Spring Machine (Wire Range:1.2-4.5mm)
Pressing wire forming machine

Pressing wire forming machine
SMS -3D-8100/8120 (Flat Type) Wire Forming Machine

SMS -3D-8100/8120 (Flat Type) Wire Forming Machine
6axis High Speed Spring Coiling Machine

6axis High Speed Spring Coiling Machine
2axis High Speed Sping Coiling Machine

2axis High Speed Sping Coiling Machine
Oil Sealing Spring Jointing Machine

Oil Sealing Spring Jointing Machine
SMS - HS-SM Fully Automatic High-Speed Sofa Spring(Snake Spring or Zig Zag Spring) Forming Production Line

SMS - HS-SM Fully Automatic High-Speed Sofa Spring(Snake Spring or Zig Zag Spring) Forming Production Line
Custom Springs – Offering tremendous option to support all type of applications 1.jpg
Custom Springs – Offering tremendous option to support all type of applications 1.jpg

Custom Springs from China - Leading Suppliers and Factory for All Your Applications

SMS Spring, a leading China-based supplier and factory, specializes in a vast range of custom spring solutions. With our extensive design and engineering support, we offer unmatched capabilities to meet each client's unique needs. Our diverse selection of materials and finishing options ensures that every custom spring we produce meets the highest quality standards. With years of experience catering to thousands of customers worldwide, our expertise in custom spring manufacturing has positioned us as a trusted market leader. Partner with SMS Spring for your custom spring requirements and benefit from our commitment to excellence and innovation
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    Product Details

    • Custom Spring Design and Engineering Support

      SMS Spring understands the value of well qualified engineering support when designing custom springs. Our engineers provide assistance every step of the way from design conception through project completion. Our customer design team has all the necessary resources your project needs. Contact us for expert engineers for technical support on your custom spring project.

    • Global Custom Spring Manufacturing

      SMS Spring's expanding global presence and knowledge of the worldwide marketplace puts SMS Spring at the leading edge of creating market-specific solutions for customers' needs. Contact SMS Spring for design assistance or to answer any questions to help start your custom spring project.

    Regulatory and Compliance
    ✅

    SMS Spring is ISO 2015:9001 certified and RoHS compliant, ensuring that all products meet rigorous international quality and environmental standards.

    Application

    SMS Spring offers support for every stage of custom design, manufacturing and distribution:

    ❑ Application/Concurrent Engineering staff
    ❑ Proof of concept methodologies
    ❑ Regulatory expertise including RoHS and REACH
    ❑ Proprietary integrated quality control system
    ❑ State of the art computerized spring testing equipment
    ❑ Global supply chain network for both production and distribution
    ❑ CAD assisted product design, drawing and modeling
    ❑ In-house prototype production services
    ❑ In-house tooling production including EDM
    ❑ Pull/Kanban capabilities
    ❑ Ongoing Customer/Supplier improvement initiatives
    ❑ ISO 9001 Registered Quality Management System
    ❑ Factories outfitted to effectively accommodate both short and long production runs
    ❑ Extensive experience working with Aerospace/Military Specifications (AS9100), Automotive Specifications (TS16949)
    ❑ Blanket agreement and consignment inventory management capabilities
    Description

    From Start to Finish, SMS Spring Has the Custom Capabilities You Need!

    Compression Springs
    Outside Diameter: 0.025" – 5.75" / 0.64mm – 146.1mm
    Wire Diameter: 0.004" – 0.625" / 0.10mm – 15.88mm
    Extension Springs
    Outside Diameter: 0.025 – 5.75" / 0.64 – 146.1mm
    Wire Diameter: 0.005" – 0.625" / 0.13mm – 15.88mm
    Torsion Springs
    Outside Diameter: 0.025 – 5.75" / 0.64 – 146.1mm
    Wire Diameter: 0.005" – 0.187" / 0.13mm – 4.75mm
    Wave Springs
    Outside Diameter: 0.200" – 5.000" / 5.08mm – 127mm
    Inside Diameter: 0.150" – 4.54" / 3.81mm – 115.32mm
    Constant Force Springs
    Min. Outside Diameter: 0.340" / 8.636mm
    Inside Diameter: 0.280" – 1.97" / 7.11mm – 50.04mm
    Min Length: 11.80" / 299.72mm
    Distinct Production Capabilities
    Plastic Compression Springs, Drawbar Springs, Cone Springs, Double Torsion Springs, Extension Springs with Swivel Hooks
    Wire Forms
    Wire Diameters: 0.010" – 0.240" / 0.25mm – 6mm
    Maximum Finished Length: 60" / 1524mm
    Stampings — Strip Width: up to 3" / 76.20mm
    Strip Thickness: 0.005 to 0.062" / 0.13mm – 1.57mm
    Secondary Operations and Finishing
    Assembly, Color Coding, Electropolishing, Grinding, Heat Treating, Looping, Passivation, Powder Coating, Shot Peening, Spring Setting
    Plating: Nickel, Zinc, Cadmium, Special Finishes (e.g., Black Oxide)
    Materials
    Beryllium Copper, Beryllium Copper Silver Coated, Carbon Steel Hard Drawn, Carbon Steel Oil Tempered, Chrome Silicon Oil Tempered, Chrome Vanadium Oil Tempered, Elgiloy®*, Hastelloy®**, Inconel®† 600 / 718 / x750, Music Wire, Phosphor Bronze, Plastic Composites, Stainless Steel 300 Series, Stainless Steel 17-7
    Please Inquire Regarding Other Materials
    Elgiloy is a trademark of Elgiloy Ltd. Partnership. Hastelloy is a registered trademark of Haynes International Inc. Inconel is a registered trademark of Special Metals Corporation.
    💬 Frequently Asked Questions
    Q What types of custom springs does SMS Spring manufacture?

    SMS Spring manufactures a comprehensive range of custom springs including compression springs, extension springs, torsion springs, wave springs, constant force springs, wire forms, and stampings. They also offer distinct production capabilities such as cone springs, drawbar springs, and double torsion springs.

    Q Is SMS Spring ISO certified and compliant with international standards?

    Yes. SMS Spring is ISO 9001:2015 certified and RoHS compliant. The company also has extensive experience with Aerospace/Military Specifications (AS9100) and Automotive Specifications (TS16949), ensuring that products meet the highest global quality and regulatory requirements.

    Q Does SMS Spring provide engineering support for custom spring design projects?

    Absolutely. SMS Spring provides full engineering support from design conception through project completion. Their team includes Application/Concurrent Engineering staff, CAD-assisted design capabilities, in-house prototype production services, and proof of concept methodologies to support every stage of a custom project.

    Q What materials are available for custom spring manufacturing?

    SMS Spring offers a wide variety of materials including Music Wire, Stainless Steel (300 Series and 17-7), Carbon Steel (Hard Drawn and Oil Tempered), Chrome Silicon, Chrome Vanadium, Phosphor Bronze, Beryllium Copper, Inconel® 600/718/x750, Hastelloy®, Elgiloy®, and Plastic Composites. Inquiries about other materials are also welcomed.

    Q What secondary operations and finishing options does SMS Spring offer?

    SMS Spring provides a full range of secondary operations including assembly, color coding, electropolishing, grinding, heat treating, passivation, powder coating, shot peening, and spring setting. Plating options include nickel, zinc, cadmium, and special finishes such as Black Oxide.

    Q Can SMS Spring handle both small and large production runs globally?

    Yes. SMS Spring's factories are outfitted to effectively accommodate both short and long production runs. With a global supply chain network, Pull/Kanban capabilities, and blanket agreement and consignment inventory management, SMS Spring is well equipped to serve customers worldwide regardless of volume requirements.