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Case Study: Expansion Tank Supply for a logistics company in Southern Africa

Source:Case / Time:2026-09-18

Expansion Tank for A logistics company in Southern Africa

A logistics company came to us with a expansion tank 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

  • Lead time that slipped twice before bulk started
  • Reorders that did not match the approved sample
  • Packing that arrived crushed at the port

Expansion Tank case study

What was specified

PartExpansion Tank
ClientA logistics company
MarketSouthern Africa
Volume50,000 pieces across 4 specifications
Base materialKevlar Composite
Sampling rounds4
Delivery window6 weeks from PO to ex-factory
ComplianceSAE J431

How it was resolved

  1. The specification was rebuilt around Kevlar 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.

Expansion Tank production run

Result

  • 50,000 pieces delivered inside the 6-week window.
  • Unit cost held within 1.5% 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?

Tell us the model, the fitment and the quantity and we will hold a production slot for you.

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