1. Tonghai Power Supply Company: You can directly call the service hotline of the local power supply company or go to the business hall of the power supply company for consultation to find out the distribution of transformers.
2. Power map: Search the related websites of power map on the Internet, and input the information of Tonghai County, so that the distribution of transformers can be viewed on the map.
3. Power facilities inquiry platform: search online for power facilities inquiry platforms, such as the power facilities inquiry platform of State Grid Corporation, input information of Tonghai County, and inquire about the distribution of transformers.