First, a formal car decoding training company or school. Because of my major, I learn quickly and don't waste time.

2. Individual industrial and commercial households, shopkeepers, key shops, trainees and workers. Not professional, but you can learn, but for a long time.

There are also many specialized trainings all over the country, including Henan, Xi, Shanghai and Northeast China. Both.

Zhengzhou kou Tian suo yi

Xi's locksmith and so on.