Case Study: Oxygen Sensor Unit Supply for a ride-hailing operator in Southern Africa

Oxygen Sensor Unit for A ride-hailing operator in Southern Africa

A ride-hailing operator came to us with a oxygen sensor unit programme for Southern Africa. 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

• Packing that arrived crushed at the port
• Reorders that did not match the approved sample
• A supplier who changed material without saying so

What was specified

How it was resolved

1. The specification was rebuilt around Carbon Steel 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.

Result

• 20,000 pieces delivered inside the 10-week window.
• Unit cost held within 3.0% of the original quotation.
• Inspection-related rejection stayed under 1.0%.
• 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?

Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.