We work with: High-carbon steel (Grade 65Mn/70Mn) – most common for industrial use Stainless steel (301/302/304/316) – corrosion resistance Alloy steel (50CrV/55CrSi/60Si2Mn) – high-temperature resistance Custom materials (available upon request)

Garter Spring

Heavy-Duty Spiral Power Spring - Black Oxide Coated for Reliable Energy Storage

Dual-Coil Torsion Spring

Torsion Spring

High-Performance Coil Springs - Durable Powder-Coated Steel for Suspension & Load-Bearing Applications

Lowering Spring

Metal Compression Spring for Door Check

Bow shaped torsion spring

Asymmetric torsion spring

Shanghai Guanglei Spring Torsion Spring – Double Arm Torsion Spring

Shanghai Guanglei Spring Torsion Spring – Flat Wire Torsion Spring

Shanghai Guanglei Spring Torsion Spring – Unidirectional Torsion Spring

Shaped tension spring

Circular hook tension spring

Straight hook tension spring

Shanghai Guanglei Tension Spring – Double Hook Constant Spring

Shanghai Guanglei Spring Tension Spring – Cone‑Shaped Tension Spring

Shanghai Guanglei Spring Coil Spring – Barrel-Shaped Compression Coil Spring

Shanghai Guanglei Spring Coil Spring – Conical Compression Coil Spring

Shanghai Guanglei Spring Coil Spring – Compression Coil Spring

Shanghai Guanglei Spring Torsion Spring – Custom Torsion Spring Manufacturers

Shaped spring

Shanghai Guanglei Spring Tension Spring – Double Hook Tension Spring

CUSTOM SPRINGS,FROM CONCEPT TO COMPLETION

We are responsible for all aspects from the design stage to mass production.

Spring Design

We’ll work closely with your team to design a custom spring solution.

Manufacturing

For over 20 years, we’ve produced a large array of custom springs in a variety of materials.

Quality Control

Precision Reliability in Every Spring.

Package & Delivery

On-Time Secure Shipping for Custom Springs.

Brands That Trust Us

Trusted By Over 2000+ Brands

FAQ

Are you a factory or trading company? Where is the company located?

We are a leading manufacturer of high-precision springs with IATF 16949 certification, located in Shanghai.

What materials do you use for springs?

We work with:

High-carbon steel (Grade 65Mn/70Mn) – most common for industrial use
Stainless steel (301/302/304/316) – corrosion resistance
Alloy steel (50CrV/55CrSi/60Si2Mn) – high-temperature resistance
Custom materials (available upon request)

Can you produce non-standard springs?

Yes! We specialize in:

Custom shapes (Conical, Barrel, Double torsion)
Special surface treatments (Electroplating, Powder coating, Electrophoretic coating)
Extreme-condition springs (High temperature / Cryogenic)

Can you match competitor samples?

We offer reverse engineering services:

Send samples (3–5 pcs ideal)
We’ll analyze material & performance
Provide matched prototypes within 7 days

Do you provide free samples?

Existing catalog items (≤5 pcs): you only pay actual shipping cost.
Custom sample service: $50 refundable fee (deducted from future orders).

How long does it take for samples?

Typically 5-7 business days. Depends on your request.

Get custom service now

Please inform us about the quantity and application of your custom springs. Based on this information, we will connect you with a specialized engineer who possesses the expertise to address your specific requirements.