Engineering
Every Coil.
Precision Born.Industry Proven.
Strengthening Industry with Indonesian-Made Precision Springs.
Who We Are
Two Decades of
Springmaking Mastery
Ruslie Spring has grown from a small local workshop into a trusted Indonesian spring manufacturer. Today, we support domestic industries with high-quality precision springs engineered to international standards.
We serve industries where failure is not an option โ automotive, aerospace, medical devices, defense, and heavy engineering โ delivering springs that meet the tightest tolerances with zero compromise.
What We Make
Our Spring Catalog
Compression Springs
High-load bearing springs for industrial machinery and automotive systems.
Extension Springs
Precision-engineered for consistent tension in heavy-duty applications.
Torsion Springs
Custom torque solutions for aerospace and manufacturing industries.
Wire Forms
Complex custom wire shapes engineered to exact client specifications.
Zigzag Springs
Durable zigzag springs engineered for furniture seating systems, providing long-lasting support and elasticity.
Battery Springs
Precision-engineered battery springs ensuring reliable electrical contact for battery compartments and electronic assemblies.
Our Work
Spring Gallery
A visual showcase of springs we've engineered across industries and applications.
Behind the Process
Production Videos
Technical Specs
Manufacturing Capabilities
Industries We Serve
Get In Touch
Ready to Engineer
Your Next Spring?
Send us your drawings, specs, or ideas. Our engineers respond within 24 hours with a detailed quote and technical consultation.