Our Process

From requirement alignment to certificate maintenance, TSINGHU drives every project efficiently through a standardized and visible process.

01

Diagnosis & Standard Matching

Understand product parameters and target markets, match applicable standards and certification routes.

02

Test Plan & Quotation

Prepare test plan, sample requirements, timeline, and quotation; sign contract.

03

Sample & Document Collection

Guide clients in preparing samples, technical documents, component lists, and nameplates.

04

Testing & Progress Tracking

Coordinate with labs, track testing progress, and support issue analysis and rectification.

05

Audit & Factory Inspection Coaching

Prepare audit documents, simulate inspections, and accompany certifying-body factory audits.

06

Certification & Maintenance

Receive certificates, build archives, and track standards updates, annual reviews, and changes.