Diplomas issued by the Education Bureau refer to academic diplomas. The certificate issued by the Ministry of Labor can't test the professional title, but you can use the calendar graduation certificate issued by the Education Bureau to test the professional title.
The title must be a nationally recognized academic certificate before you can apply for a title. The following is a description of the title:
The title originated from the title. Theoretically speaking, professional title refers to the professional technical level, ability and achievement of professional and technical personnel, which reflects their technical level and working ability. Academically, it has the nature of academic title; On the professional and technical level, it has the nature of a post. What kind of professional title a professional technician has indicates what kind of academic level he has or what kind of work he is engaged in, which symbolizes a certain identity.