1. Chenghai District Market Supervision Administration: responsible for the supervision and management of the behavior of market operators, including the supervision of the production and sales activities of toy factories. You can complain to the department about the toy factory's illegal behavior or product quality problems.
2. Chenghai Bureau of Quality and Technical Supervision: responsible for the supervision and inspection of product quality. If you think there are quality problems in the products produced by the toy factory, you can complain to the department and ask them to carry out quality inspection.
3. Chenghai District Administration for Industry and Commerce: responsible for managing the registration and trademark registration of market entities. If you find that the toy factory has improper business practices, you can complain to the department.
In addition, if you are a consumer, you can also make a complaint to Chenghai Consumers Association, who will help you safeguard the rights and interests of consumers and provide relevant legal advice.
please note that before you complain, you'd better collect relevant evidence to better support your complaint.