1. Scope of responsibilities: The first-level Commissioner has a wide range of responsibilities, and is responsible for the daily operation and management of the company, including presiding over the daily operation and management of the company, signing daily administrative and business documents, ensuring the legality of the company's operation, and handling external business and public relations activities on behalf of the company. The second-level professional service is mainly responsible for carrying out professional and technical related work.
2. Position level: the position level of the first-level professional service is higher than that of the second-level professional service. This means that the position, salary and influence of a first-level major in a company or organization are usually higher than that of a second-level major.
3. Work difficulty and pressure: The first-class professional service needs to deal with the complex problems and challenges of the company's operation and management, and the work difficulty and pressure are relatively large. The second-level professional service is mainly responsible for professional and technical related work, which is relatively less difficult and stressful.