NGTC Jewelry Design Professional Skills Qualification Certificate issued by National Jewelry Quality Supervision and Inspection Center.
Professional qualification certificate of precious metal, diamond and gem inspector issued by the labor and social security department.
Map of post core competence Vocational post core competence course module Vocational skill certificate Jewelry designer's creative design capability Jewelry design module, senior jewelry designer (to be developed) Jewelry producer or production supervisor's jewelry production and production management capability Jewelry craft module, senior precious metal jewelry producer and jewelry appraiser.
Masonry inspector
Jewelry salesman's jewelry appraisal ability
Diamond grading technique
Jewelry marketing ability jewelry appraisal and business module senior gem inspector
Intermediate and senior diamond inspectors
Middle and senior jewelry sales staff