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Case Study: Suspension Bushing Supply for a delivery platform in North America

Source:Case / Time:2026-09-18

Suspension Bushing for A delivery platform in North America

A delivery platform came to us with a suspension bushing programme for North America. The brief was ordinary and unforgiving at the same time: a fixed launch window, a landed cost that had to survive freight and duty, and a part that had to match an existing sample. This case records what was specified, what went wrong in sampling and how the bulk order landed.

The starting point

  • A specification nobody had written down
  • Inconsistent hardness between lots
  • Packing that arrived crushed at the port

Suspension Bushing case study

What was specified

PartSuspension Bushing
ClientA delivery platform
MarketNorth America
Volume2,000 pieces across 4 specifications
Base materialMagnesium Alloy
Sampling rounds2
Delivery window8 weeks from PO to ex-factory
ComplianceTUV

How it was resolved

  1. The specification was rebuilt around Magnesium Alloy and the tolerance locked before bulk.
  2. A pre-production sample was approved and kept as the golden reference.
  3. Production ran with in-line inspection and a mid-run photo report.
  4. Cartons were packed to the client's own barcode and ratio specification.
  5. Documentation shipped with the goods instead of after them.

Suspension Bushing production run

Result

  • 2,000 pieces delivered inside the 8-week window.
  • Unit cost held within 4.5% of the original quotation.
  • Inspection-related rejection stayed under 2.0%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Lock the material standard before sampling. Once the base changes, every downstream approval has to be redone and the calendar slips.

Planning something similar?

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

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