Inspection conclusion, total mass, shape, color, external characteristics, internal characteristics, appraiser, reviewer, sample drawing and QR code. Among them, the names of appraisers and auditors are electronic signatures.
Certificates issued by Peking University usually include 10 (occasionally changed): number, verification code, appraisal result, appearance, total weight, enlarged observation, other, sample drawing, QR code, appraiser and person in charge's name (handwritten version).