What are the better advertising companies in Shenyang? A bigger one with a higher level?

Explain the intention

There is no higher level, only different emphasis

For example, some focus on industries such as real estate advertising design-power

Some Focus on the implementation of 4A processes such as Jiwen

Some focus on planning such as promotion

Some focus on media execution and public relations such as Longbang International

Some Focus on film and television production such as Northern Media

etc.