Every machine
needs a spring
that returns.
Custom compression, extension and torsion springs for hardware and automotive applications — engineered to ±0.01 mm, and built to come back to spec after ten million cycles.
Product Categories
Start to Customize Your Required Products
50000m²
Covered area
70+
Countries
7M $
Capital
2004
Establish
Certificates
Full certifications support OEM & custom production.
Our Factory
Precision Manufacturing
- Custom springs & truck slack adjusters
- Spring & casting development
- High-strength truck brake castings
- Custom precision spring production
Reliable B2B Supply
- OEM spring & casting solutions
- Slack adjuster casting maker
- Custom industrial spring supplier
- Brake parts & springs manufacturer
Professional development & manufacturing capabilities keep us leading in the industry.
Customization Process
We follow strict steps to deliver reliable springs and slack adjusters.
1️⃣Inquiry Receipt
We review your requirements for springs and slack adjusters.
2️⃣Technical Quotation
We provide technical proposal and formal quotation.
3️⃣Drawing & Sample Confirmation
Approve drawings before prototype making.
4️⃣Sample Testing
Samples pass strict inspection and performance test.
5️⃣Mass Production
Start bulk production to your confirmed specs
6️⃣Shipment & Delivery
Qualified goods are packed and delivered to you.











