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Case Study: Door Handle Supply for a ride-hailing operator in North America

Source:Case / Time:2026-09-18

Door Handle for A ride-hailing operator in North America

A ride-hailing operator came to us with a door handle 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

  • Warranty claims traced back to a single lot
  • Premature wear on the first batch
  • A supplier who changed material without saying so

Door Handle case study

What was specified

PartDoor Handle
ClientA ride-hailing operator
MarketNorth America
Volume5,000 pieces across 4 specifications
Base materialCarbon Fibre Composite
Sampling rounds3
Delivery window10 weeks from PO to ex-factory
ComplianceISO 9001

How it was resolved

  1. The specification was rebuilt around Carbon Fibre Composite 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.

Door Handle production run

Result

  • 5,000 pieces delivered inside the 10-week window.
  • Unit cost held within 4.5% of the original quotation.
  • Inspection-related rejection stayed under 0.5%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Approve a pre-production sample made from the actual bulk material. Substitute material behaves differently in service.

Planning something similar?

Ask for the current catalogue and the specification sheet for this line.

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