1. Inquire about relevant information in SF official website: Employees can find the contact information and relevant information of the trade union in SF official website.

2. Direct consultation with the departmental trade union committee: every department in SF will set up a trade union committee, and employees can directly consult the departmental trade union committee about joining the trade union or seeking trade union help.

3. Consultation through SF employee exchange platform: SF Company has a special employee exchange platform, where employees can consult and exchange and obtain information about trade unions.

4. Call the trade union hotline directly: employees can also call the SF Trade Union hotline directly for consultation or join the trade union.