What does the Shanghai residence permit personnel category number 05 mean?

Class b residence permit. According to the relevant information of residence permit, the category number 05 of Shanghai residence permit personnel is Class B residence permit. Residence permit is an attempt made by some developed cities in China to learn from the "green card" system of developed countries, which has accumulated experience for China to formulate skilled migration measures and eventually form the national "green card" system of China. Holders of residence permits can enjoy the treatment of local residents.