Galvanized spring steel Extension Torsion Spring

Galvanized Spring Steel Extension & Torsion Springs

OEM Custom Metal Springs for Industrial Applications

Our custom galvanized spring steel extension and torsion springs are designed for high-performance industrial use, including hardware, automotive, machinery, and mechanical equipment. Manufactured from durable alloy, spring steel, music wire, and flat wire, these springs offer reliable load-bearing capacity, long fatigue life, and corrosion resistance.

With RoHS certification, our springs meet global environmental and safety standards, enhancing your market access and compliance confidence. They are easy to install, fully customizable in wire diameter, length, and load capacity, and can be delivered within 25–35 days after order confirmation.

Our Production Capabilities

We provide precision OEM metal springs and machining services:

• CNC machining of brass, aluminum, stainless steel, and plastic parts

• Aluminum extrusion & sheet metal stamping

• Extension springs, torsion springs, compression springs, and clips

• Customized OEM packaging and labeling

Production Process:

1. Material selection & preparation

2. Precision forming & coiling (CNC / mechanical)

3. Heat treatment & stress relief

4. Surface finishing (galvanizing, nickel plating, anti-rust coating)

5. Load & fatigue testing

6. Final inspection & OEM packaging

About Dongguan SEME Hardware Spring Products Co., Ltd.

Founded in 2015 in Dongguan, China, we specialize in OEM metal springs and hardware components. Over the past decade, we have developed a strong international customer base across North America, Europe, Oceania, and Asia, exporting to over 20 countries.

Our main products include:

• Torsion springs, extension springs, compression springs

• Metal sheets, clips, and stamped hardware

• Custom OEM spring solutions for industrial, automotive, and electrical applications

We provide tailored OEM services, technical advice, and flexible manufacturing solutions to meet our customers’ specific requirements.

Packaging & Delivery

• Inner packing: PE bag (or per customer requirement)

• Outer packing: Box (or per customer requirement)

• Delivery: According to contract terms, typically 25–35 days after order confirmation

Call to Action

👉 Contact Us Today for Custom OEM Springs
Get a free quotation or sample for your industrial spring project. We’ll be your trusted partner for high-quality springs and hardware components.