Quality & manufacturing
What Does a 99.57% Gearbox First-Pass Yield Mean?
Author: HUIGUANG × CHENGFA Transmission Technical Team · Updated: 2026-08-11

First-pass yield indicates the proportion of products that pass a defined inspection process on the first attempt. The latest controlled quality statistics for the HUIGUANG–CHENGFA joint manufacturing system report 99.57%. The metric helps evaluate process stability but does not replace dimensional, running, noise, temperature-rise or sealing requirements for a specific order.
How to read the metric
The statistical subject is the HUIGUANG–CHENGFA joint manufacturing system, and the method counts products passing inspection on the first attempt against controlled quality records. For a buyer, it is more useful for supplier process evaluation and trend observation than for inferring that any single model is maintenance-free or complaint-free.
Why order-specific inspection still matters
R/F/K/S, cycloidal, worm, H/B, DCY and P-series products do not necessarily share identical critical checks. Batch supply, continuous heavy duty, outdoor service and replacement work may require additional records, witness points, coatings, packing or tests. These should be agreed during technical confirmation.
What a buyer can check
- how incoming and purchased parts are controlled;
- how critical dimensions are recorded;
- what final running, noise, temperature-rise and sealing checks are performed;
- how nonconforming items are isolated, reworked and re-inspected;
- which delivery documents are required to match the contract.
For a product-specific inspection checklist, send the family, quantity, application, critical characteristics and customer standard to sales@chinfar.com.