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Case Study: Knock Sensor Supply for a rental company in Southeast Asia

Source:Case / Time:2026-09-18

Knock Sensor for A rental company in Southeast Asia

A rental company came to us with a knock sensor programme for Southeast 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

  • A supplier who changed material without saying so
  • Documentation that arrived after the container shipped
  • Reorders that did not match the approved sample

Knock Sensor case study

What was specified

PartKnock Sensor
ClientA rental company
MarketSoutheast Asia
Volume5,000 pieces across 4 specifications
Base materialAnodised Aluminium
Sampling rounds2
Delivery window4 weeks from PO to ex-factory
ComplianceREACH

How it was resolved

  1. The specification was rebuilt around Anodised Aluminium 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.

Knock Sensor production run

Result

  • 5,000 pieces delivered inside the 4-week window.
  • Unit cost held within 2.0% of the original quotation.
  • Inspection-related rejection stayed under 1.5%.
  • 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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