Jiading District is an administrative district of Shanghai and a relatively developed area. There are some training institutions and schools that can provide weak current training courses. Here are some options you can consider:

1, Shanghai University of Engineering Science (Jiading Campus): As a well-known university, Shanghai University of Engineering Science may provide weak current related training courses or vocational skills training in its Jiading campus.

2. shanghai dianji university (Jiading Campus): As an engineering college, shanghai dianji university Jiading Campus may also provide weak current related training courses or vocational training courses.

3. Jiading Vocational and Technical College: Jiading Vocational and Technical College may provide various technical training courses, including weak current related training.

4. Find private training institutions: You can also try to find specialized private training institutions or vocational skills training institutions in Jiading District. These institutions may provide various technical training courses, including weak current technology.