1) Those who have graduated from technical secondary school for 5 years, junior college for 3 years, undergraduate course for 1 year or master's degree and passed the examination can declare the title of assistant engineer;

2) Those who have worked as an assistant engineer for more than 4 years (including 5 years) after graduation from a college or undergraduate course, or have worked as an assistant engineer for more than 2 years after graduation from a master's degree, or passed the examination after graduation from a doctor's degree may declare the title of intermediate engineer;

3) graduated from a university with a bachelor's degree or a master's degree and worked as an engineer for more than 5 years, or graduated from a doctor's degree and worked as an engineer for more than 2 years, you can declare the title of senior engineer;

4) Those who have obtained the qualification of senior engineer with a bachelor's degree, a master's degree or a doctor's degree and have been employed as a senior engineer for more than 5 years (including 5 years) may apply for a professorial senior engineer;

5) You can apply for the title of senior economist if you have served as an intermediate professional and technical post for 5 years (including 3 years in economic work) after graduation from undergraduate course, 3 years (including 2 years in economic work) after graduation from master's degree and 2 years (including 1 year in economic work) after graduation from doctoral degree.