1, the first level is welcomed by state guests, foreign governments, people who have great influence on national development and other people at the same level.
2. The second level is the welcome of public guests, the heads of important domestic enterprises and companies, and other personnel at the same level.
3, the third level is the official visit welcome, the provincial government staff, members of important organizations, and other personnel at the same level.
4. The fourth level is working visit welcome, where all units visit customers and ordinary working visit members.