* * * There are five grades, and the national vocational qualification certificate is divided into five grades, namely, primary (national vocational qualification level 5), intermediate (national vocational qualification level 4), advanced (national vocational qualification level 3), technician (national vocational qualification level 2) and senior technician (national vocational qualification level 1). Vocational qualification certificates are uniformly printed by People's Republic of China (PRC) and the Ministry of Labor and Social Security, and handled and issued by the Ministry of Labor and Social Security according to regulations.

Jewelry designer, a kind of designer, is generally classified as "clothing accessories design" internationally. Their work scope mainly includes: jewelry design, art decoration design, gold and silver souvenir design, and all product design related to gold and silver gems.