In Shenzhen, depending on the time frame you provide (Monday through Friday, morning to 4:30 p.m.), here are some suitable part-time job options:

1. Customer Service Representative: Many companies and customer service centers offer early morning or daytime positions as a customer service representative. You could be responsible for answering phones, handling customer questions, or providing online support.

2. Receptionist or front desk: Places such as hotels, office buildings and convention centers often need receptionists or front desk personnel to welcome guests, provide advice and guide services.

3. Promoter: Many shopping malls, supermarkets, or branded businesses hold promotions on weekdays, and you can work as a promoter to introduce products to customers, provide counseling and sales services.

4. Clerks or assistants: Some companies may need temporary clerks or assistants to handle paperwork, data entry, administrative support and other tasks.

5. Tutor: If you have a subject or skill that you specialize in, consider becoming a tutor. You can help students with homework or teach specific skills in the mornings or afternoons, Monday through Friday.

6. Courier: Some courier companies may need extra delivery workers to handle courier deliveries during the day. You can use your own transportation for courier delivery services.

7. Project Assistants: Some companies or organizations may need temporary project assistants to assist in project management and day-to-day affairs while working on a specific project.

These are just some examples of what you can look for more specifically based on your interests and skills. Part-time opportunities can be found on online job platforms, part-time apps, social media groups, school career centers and local business inquiries. Also, some human resources companies offer recruitment services for temporary and part-time employees, and you may consider contacting these companies for more information.

When choosing a part-time job, take care to communicate and negotiate with your employer about the job content, pay and working hours required. Good luck in finding the right part-time job!