Case Study: Custom Ladder Lock for a Car Interior Supplier in Switzerland
Source:Elegant Pearl Barrettes /
Time:2026-09-18
Ladder Lock for a Car Interior Supplier in Switzerland
A Car Interior Supplier approached us with a ladder lock requirement for the Switzerland market. The brief was specific: a defined look, a hard launch date and a unit cost that had to survive freight and duty. This case study records what was specified, what went wrong in sampling and how the bulk order was delivered.
The challenge
- MOQ that was quoted per colourway rather than per style
- Elastic that lost recovery after three washes
- Reorders that quietly changed supplier and changed the hand feel
What we specified
| Item | Ladder Lock |
|---|---|
| Client type | A Car Interior Supplier |
| Market | Switzerland |
| Order volume | 10,000 pieces across 2 specifications |
| Base material | TPU |
| Standard size | 32 mm Width |
| Finish | Laser Engraved Finish |
| Sampling rounds | 3 |
| Delivery window | 5 weeks from PO to ex-factory |
| Compliance | ISO 105 Colour Fastness |
How it was resolved
- We rebuilt the specification around TPU and locked the tolerance before bulk.
- The finish was moved to Silicone Wash Finish after strike-off tests showed better durability.
- A pre-production sample was approved and retained as the golden reference.
- Production ran with in-line inspection and a mid-run photo report.
- Cartons were packed to the client's own barcode and ratio specification.
Result
- 10,000 pieces delivered inside the 5-week window.
- Unit cost held within 4.5% of the original quotation.
- Inspection-related rejection stayed under 2.0%.
- The specification is now 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?
Share the programme details and we will propose two alternatives — one optimised for unit cost, one for lead time — and let you choose.
