Certifications and recognitions
| Item | Details |
|---|---|
| ISO 9001 | Quality management system certification, obtained 2012 · certificate body / number / validity: [TBD: ISO 9001 certificate details] |
| National High-Tech Enterprise | Recognized by Chinese authorities as a National High-Tech Enterprise · [TBD: certificate number and validity] |
| National Technology-based SME | Recognized in 2024 |
| Patent CN217210914U | Utility model: “An optical reflective encoder disc, encoder and linear scale” (granted 2022) |
| Material compliance | [TBD: RoHS / REACH declarations, if available] |
Certificate copies: [TBD: certificate scans] — available on request at sales@enc7.com.
Inspection on every disc
| Check | Method | Coverage |
|---|---|---|
| Graduation integrity and pitch | AOI machine vision | Every disc |
| Surface defects (scratches, spots, chips) | AOI machine vision | Every disc |
| Critical dimensions | Vision measuring machine | Critical items |
| Optical density of transparent/opaque areas | Optical density testing | Transmissive discs |
| Acceptance criteria and sampling | Agreed with the customer by zone | [TBD: standard AQL / sampling plan] |
Agreeing acceptance criteria
We recommend agreeing defect criteria by zone (track zone vs. non-track zone), dimensions, concentricity and optical values in writing before the first order. Our incoming inspection guide explains how.
Frequently asked questions
How does ENC7 ensure graduation quality?
Every disc is checked by AOI machine vision for graduation integrity, pitch and surface defects; critical dimensions are verified on a vision measuring machine; transparent and opaque areas are tested for optical density.
Which certifications does ENC7 hold?
The operating company is a National High-Tech Enterprise, holds ISO 9001 quality management certification (since 2012), was recognized as a National Technology-based SME in 2024, and owns patents including CN217210914U.