EngineeringEveryCoil.
Strengthening industry with Indonesian-made precision springs — engineered to international tolerances, forged and tested under one roof.
Two Decades of
Springmaking Mastery
Ruslie Spring has grown from a small local workshop into a trusted Indonesian spring manufacturer. Today we support domestic industry with precision springs engineered to international standards.
We serve applications where failure is not an option — automotive, electronics, defense, and heavy engineering — holding the tightest tolerances with zero compromise.
Raw Wire Selection
High-tensile carbon and stainless wire is gauged and fed into the line — the starting point of every spring we make.
Ø 0.1 – 50 mmThe 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 machinery and manufacturing.
Wire Forms
Complex custom wire shapes engineered to exact client specifications.
Zigzag Springs
Durable zigzag springs for furniture seating — long-lasting support and elasticity.
Battery Springs
Reliable electrical contact for battery compartments and electronic assemblies.
Manufacturing Capabilities
Industries We Serve
Spring Gallery
A visual showcase of springs we've engineered across industries and applications.
Compression
Battery Spring
Tension
Wire Forming
Behind the Process
Production Videos
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.