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Case Study: Cabin Filter Supply for a workshop chain in South Asia

Source:Case / Time:2026-09-18

Cabin Filter for A workshop chain in South Asia

A workshop chain came to us with a cabin filter programme for South Asia. 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

  • Documentation that arrived after the container shipped
  • Warranty claims traced back to a single lot
  • Reorders that did not match the approved sample

Cabin Filter case study

What was specified

PartCabin Filter
ClientA workshop chain
MarketSouth Asia
Volume5,000 pieces across 4 specifications
Base materialPVC Coated Fabric
Sampling rounds3
Delivery window8 weeks from PO to ex-factory
ComplianceSAE J431

How it was resolved

  1. The specification was rebuilt around PVC Coated Fabric 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.

Cabin Filter production run

Result

  • 5,000 pieces delivered inside the 8-week window.
  • Unit cost held within 1.5% 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?

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

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