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Case Study: Turn Signal Lamp Supply for a mining contractor in Southeast Asia

Source:Case / Time:2026-09-18

Turn Signal Lamp for A mining contractor in Southeast Asia

A mining contractor came to us with a turn signal lamp 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

  • Premature wear on the first batch
  • Reorders that did not match the approved sample
  • Packing that arrived crushed at the port

Turn Signal Lamp case study

What was specified

PartTurn Signal Lamp
ClientA mining contractor
MarketSoutheast Asia
Volume2,000 pieces across 2 specifications
Base materialForged Aluminium
Sampling rounds2
Delivery window10 weeks from PO to ex-factory
ComplianceSGS

How it was resolved

  1. The specification was rebuilt around Forged 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.

Turn Signal Lamp production run

Result

  • 2,000 pieces delivered inside the 10-week window.
  • Unit cost held within 4.5% 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

Fix the specification count early. Adding variants after production starts is the most expensive change a client can request.

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.

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