ISO 9001 certificate
Quality management system certificate for Tuguan Semiconductor.
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Certifications & Quality
Our quality management system ensures every component meets your specification with full documentation and traceability.
Certifications
Standards & Compliance
Latest certificates and declarations are provided on request so the issued version matches the quotation or project scope.
ISO 9001:2015
Quality Management System
Issued by: Accredited certification body
Our QMS covers the full product lifecycle: incoming inspection, in-process dimensional control, final verification, and traceability documentation.
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Semiconductor Equipment & Materials
Issued by: SEMI International
Components are manufactured in line with applicable SEMI expectations for quartz and ceramic parts used in semiconductor fabrication equipment.
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Restriction of Hazardous Substances
Issued by: EU Directive 2011/65/EU
Products conform to RoHS requirements and are free from restricted hazardous substances above regulated thresholds.
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Chemical Safety Regulation
Issued by: European Chemicals Agency (ECHA)
We provide REACH declarations confirming the absence of SVHC substances above threshold levels in our products.
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Company & Quality Documents
Selected company qualification and quality documents are shown here for quick supplier review. Latest stamped versions can be requested for a quotation or project file.
Quality system certificate
Chinese quality management certificate copy for company qualification review.
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Third-party test report
External testing document used to support material and compliance review.
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Inspection report record
Supporting test record for customer quality documentation packages.
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Business license
Company registration document for qualification and supplier review.
Request latest documentQuality Process
Our 4-Stage Quality Control
01
Incoming Material Inspection
Every batch of quartz, sapphire, and ceramic material undergoes purity verification before entering production.
02
In-Process Dimensional Control
Operators use calibrated gauges at defined intervals, with CMM verification at critical machining stages.
03
Final Quality Inspection
Critical-to-function dimensions, surface finish, cleanliness, and visual quality are all checked before release.
04
Traceability & Documentation
Each order ships with certificates, inspection reports, and dimensional data traceable to calibrated instruments.
Inspection Equipment
Measurement Capabilities
| Equipment | Brand / Model | Capability | Accuracy |
|---|---|---|---|
| CMM (Coordinate Measuring Machine) | Hexagon / Zeiss | 3D dimensional measurement | ±0.001 mm |
| Surface Roughness Tester | Mitutoyo SJ-410 | Ra / Rz / Rq parameters | 0.001 μm resolution |
| Optical Profile Projector | Nikon V-24B | Contour / profile inspection | ±0.001 mm |
| XRF Spectrometer | Rigaku / Bruker | Elemental composition analysis | ppm level |
| ICP-OES / ICP-MS | PerkinElmer / Agilent | Trace metal impurity analysis | ppb level |
| Helium Leak Tester | Pfeiffer Vacuum | Gas tightness of welded assemblies | <1×10⁻⁹ mbar·L/s |