What unlocking schools are there in China?

Zhejiang Lishui Anxin School with formal approval, Henan Zhengzhou Sanxin Unlocking Training Course, Shandong Jiaan Research Institute. Locking stores is training, and basically every city has apprentices.

Now this industry is mainly the smart lock market and car keys, which can be done for ten or eight years.

The annual income of unlocking industry is 200,000-300,000. If you don't start, it's better to make money quickly by live broadcast.