1, senior title: Master degree or above in this major, engaged in this major for 5 years, with high professional skill level and business ability, able to independently complete important professional tasks.
2. Intermediate title: Bachelor degree or above in this major, engaged in this major for three years, with good business ability.
3. Junior title: have obtained a college degree or above in this major, have worked in this professional industry for two years, and have professional skills and business ability.