zhengyuan

First Article Approval

First-piece verification before mass production.

A first article (initial piece) is produced and inspected against key requirements before mass production. Only after approval are operators allowed to proceed. If any deviation is found, parameters are adjusted and the first article is re-checked until it meets the acceptance criteria.

01

Key Controls

  • Appearance and critical dimensions check
  • Measurement tools verification (calibrated instruments)
  • Approval sign-off before mass production
  • Re-check after any parameter change
  • Clear marking for approved / rejected samples
02

Records (Available Upon Request)

  • First article inspection report (masked)
  • Measurement records / photos (masked)
  • Nonconformance & corrective action note (masked)

Process Flow

REQUEST A QUOTE

Upload Your Drawing. Get a Fast Quote.

Send CAD files or samples for evaluation. Quote & DFM suggestions within 12 hours (Mon–Fri). NDA available.

What to Send

STEP/IGES/STP/PDF/DWG + qty + material + surface finish

What You Get (12h)

Cost breakdown + lead time + DFM suggestions

Confidential & Reliable

NDA available. Files kept confidential.

Request a Quote

Send drawings or samples. We’ll reply with a quote and DFM feedback.

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Accepted file types: stp, step, igs, iges, pdf, dwg, dxf, stl, zip, rar, Max. file size: 256 MB.