Custom Spring RFQ & Engineering Quote

Submit your engineering specifications or 2D/3D CAD drawings. TOSTA mechanical engineers will review your DFM requirements and provide a formal quotation within 1–2 business days.

Technical RFQ Form

Why Partner With TOSTA?

  • ✓Direct 1-on-1 DFM engineering collaboration from prototype to mass production
  • ✓Extensive raw materials inventory: Inconel, 17-7PH, Titanium, SWOSM, Music Wire
  • ✓ISO 9001 / IATF 16949 certified quality management system
  • ✓FEA finite element stress analysis & CAD simulation verification
  • ✓Fast prototype turnaround: 1–3 business days with full test report

Direct Engineering Hotline

For urgent prototyping or immediate technical consultation:

+86 130-1246-1618

Mr. Wang (Senior Application Specialist)