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Galvanized Extension Springs – OEM Custom Manufacturer | SEME Hardware
Galvanized Extension Springs – OEM Custom Metal Springs for Industrial Use
Heavy Duty Extension Springs for Industrial Applications
Our custom galvanized extension springs are designed for high-performance industrial use, including hardware, automotive, machinery, and mechanical equipment.
Manufactured from durable alloy, spring steel, and music wire, these springs offer:
✅ Reliable load-bearing capacity
✅ Long fatigue life
✅ Excellent corrosion resistance
RoHS Compliant – Ready for Global Markets
With RoHS certification, our extension 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
Deliverable within 25–35 days after order confirmation
Our Production Capabilities
We provide precision OEM spring manufacturing and machining services:
| Capability | Details |
|---|---|
| CNC Machining | Brass, aluminum, stainless steel, plastic parts |
| Metal Forming | Aluminum extrusion & sheet metal stamping |
| Spring Types | Extension springs, compression springs, and clips |
| Packaging | Customized OEM packaging and labeling |
Production Process
Material selection & preparation
Precision forming & coiling (CNC / mechanical)
Heat treatment & stress relief
Surface finishing (galvanizing, nickel plating, anti-rust coating)
Load & fatigue testing
Final inspection & OEM packaging
About SEME Hardware
Founded in 2015 in Dongguan, China, we specialize in OEM extension springs and hardware components. Over the past decade, we have built a strong international customer base across North America, Europe, Oceania, and Asia, exporting to over 20 countries.
Our Main Products:
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 your specific requirements.
Packaging & Delivery
| Item | Details |
|---|---|
| Inner Packing | PE bag (or as customer required) |
| Outer Packing | Box (or as customer required) |
| Delivery | According to contract terms, typically 25–35 days after order confirmation |
Why Choose SEME Hardware?
| Advantage | Benefit |
|---|---|
| Factory Direct | No middleman – competitive pricing |
| 10+ Years Experience | Proven expertise in custom extension springs |
| RoHS Certified | Ready for global markets |
| Full Customization | Wire diameter, length, load capacity |
| Global Export | USA, Europe, Australia, Asia |
Get a Free Quote Today
Looking for a reliable OEM supplier for galvanized extension springs?
📧 Email: [email protected]
📞 WhatsApp / WeChat / Phone: +86 186 6511 1545
👉 Send us your drawing or specifications – we'll reply within 24 hours.
Frequently Asked Questions
1. What materials are used for galvanized extension springs?
We use durable alloy, spring steel, and music wire – all customizable to your requirements.
2. Are your springs RoHS compliant?
Yes. Our extension springs meet RoHS standards for global market access.
3. Can you customize wire diameter, length, and load capacity?
Yes. Full OEM customization is available based on your drawings or samples.
4. What is your lead time?
Typically 25–35 days after order confirmation.
5. Do you export worldwide?
Yes. We export to North America, Europe, Australia,Russia, and Asia.
Contact Us
Dongguan Seme Precision Hardware Co., Ltd.
📧 Email: [email protected]
📞 WhatsApp / WeChat / Phone: +86 186 6511 1545
🌐 Website: https://www.semehardware.com
Send your drawing, sample, or specifications for a free quote. Response within 2 hours.
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