First, check your level, whether you have a certificate, and your actual ability. Generally, there is a probation period. If you are good, your salary will be increased! Generally, a newcomer can earn 2,500 to 3,000 in Beijing, and if you are capable, you can earn 5,000 to 7,000. The salary of a promotion specialist is not particularly high. If you are working in other places, it is better to work locally!