Custom Spring

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Custom Spring

Custom Springs

You need a custom spring, but you don't know where to start? No problem. Our design, manufacturing and engineering experts are ready to help you. Our facilities stock a variety of standards and specialty materials to increase your convenience and have the equipment and experience needed to work with your team to develop the springs you need, even with the strictest tolerances and performance expectations.

Huansheng offers a wide range of custom spring features, design and engineering support, and a wide selection of material options and finishes.100 Over the years, we have provided extensive custom spring knowledge and experience to thousands of customers worldwide. This experience, combined with our custom spring manufacturing capabilities, has made us the market leader in custom spring design and manufacturing.

HuanSheng understands the value of quality engineering support when designing custom springs. Our engineers help every step of the way from design conception to project completion, and our custom design team has all the necessary resources needed for your project.

HuanSheng's expanding global reach and knowledge of the global marketplace puts HuanSheng at the forefront of creating market-specific solutions for our customers' needs.

Request a quote today or contact a HuanSheng spring engineer for design assistance or to answer any questions to help get your custom spring project started. HuanSheng is ISO 9001:2008 certified, REACH and RoHS compliant.

HuanSheng provides support for every phase of custom design, manufacturing and distribution:

Application/concurrent engineering staff

Regulatory expertise, including RoHS, REACH 

Proof of concept methodology

CAD-assisted product design, drafting and modeling

In-house prototype production services

Factory equipped to effectively accommodate short and long term production runs

In-house tooling production, including EDM

Proprietary integrated quality control systems

State-of-the-art computerized spring testing equipment

Global supply chain network for manufacturing and distribution

Package agreement and consignment inventory management capabilities

Pull/Kanban capability

Continuous customer/supplier improvement program

ISO 9001:2008 registered quality management system

Custom Spring Type

Compression Springs

Outer diameter: 0.025" - 5.75"/0.64mm - 146.1 mm

Wire diameter: 0.004" - 0.625"/0.10 mm - 15.88 mm

Tension springs

Outer diameter: 0.025 - 5.75"/0.64 - 146.1 mm

Wire diameter: 0.005" - 0.625"/0.13 mm - 15.88 mm

Torsion Springs

Outer diameter: 0.025 - 5.75"/0.64 - 146.1 mm

Wire diameter: 0.005" - 0.187"/ 0.13 mm - 4.75 mm

Wave springs

Outer diameter: 0.200" - 5.000"/ 5.08 mm - 127 mm

Inner diameter: 0.150" - 4.54" / 3.81 mm - 115.32 mm

Constant force springs

Min. Outer diameter: 0.340"/8.636 mm

Inside diameter: 0.280" - 1.97"/7.11 mm - 50.04 mm

Minimum length: 11.80" / 299.72 mm

Unique Productivity

Plastic compression springs

Tie Rod Springs

Conical Springs

Double torsion springs

Extension springs with swivel hooks

Wire forms

Wire diameter: 0.010" - 0.240"/0.25 mm - 6 mm

Maximum finished length: 60" / 1524 mm

Stamped parts: Strip width: 3" / 76.20 mm max

Strip thickness: 0.005 to 0.062"/0.13 mm - 1.57 mm


Beryllium copper

Beryllium copper, silver plated

Carbon Steel, Hard Drawn

Carbon Steel, Oil Tempered

Chrome-Silicon, Oil Tempered

Chrome Vanadium, Oil TemperedMusic Wire

Phosphor Bronze

Plastic Composites

Stainless Steel, 300 Series

Stainless Steel, 17-7

Why Choose Us

Hauncheon is  ISO 9001:2008 certified, REACH and RoHS compliant.

We have the knowledge, equipment, and processes necessary to meet your spring needs, helping you gain a competitive advantage.



color coding

Electrolytic polishing


heat treatment



Powder Coating

shot peening

set spring

plating. Nickel, Zinc, Cadmium

Special finish (eg black oxide).