You can go to a new starting point in Shenzhen and compare a few. The new starting point is the NPAP national high-tech certified by the state.

The certificate of hardware engineer can be found on the Internet. The new starting point are all senior lecturers, and the teachers are serious and responsible.

The important thing is that you have to see it, and you have to see it yourself to know. I wish you can learn the technology well.