01
Drawing Review
We review your drawing and revisions before manufacturing starts.
Quality & NDA
Quality & NDA
Every project is coordinated to your drawings, with inspection documentation you can review before delivery.
KOOSEI manufactures strictly to customer drawings. We do not modify designs. If a drawing cannot be produced as specified, we will tell you before production starts.
Inspection Documentation
Documents supplied with your shipment.
Inspection documentation is available with each shipment so you can verify the parts against your drawing.
Standard: 2D / optical projection dimensional inspection report, material test certificate, and heat treatment report. Third-party 3D CMM reports are available on request through verified inspection partners.
Six-Step Quality Process
From drawing review to secure delivery.
These are the activities KOOSEI coordinates on every project, from drawing review to delivery.
02
Material Confirmation
Material and process are confirmed against your requirements.
03
Machining Coordination
We coordinate production with our manufacturing partner.
04
Dimension Follow-up
We follow production progress and review inspection documentation before delivery.
05
Final Inspection
Final optical and 2D dimensional inspection before shipment.
06
Packaging & Delivery
Secure packaging and coordinated delivery.