Which one is suitable for learning to unlock and match keys?

Which keys are suitable for learning to unlock are as follows:

1, Sanxin Lock Repairman Vocational Skills Training School

Master Liu Zhixiang, a professional technician, principal and president of Chengdu Sanxin Locksmith Vocational Skills Training School, spent two years starting from 1986, searching for and visiting professional institutions such as Beijing, Shanghai, Wuhan, Henan, Guangzhou and Jiangsu, having technical exchanges with professional institutions such as locksmiths all over the country, learning and mastering locksmiths' unlocking methods all over the country, and then returning to Chengdu, creating a set of simple and easy-to-learn methods.

2. Shenzhen Jiang Sheng Locks Maintenance Training Co., Ltd.

Jiangsheng Workshop was established in 1998, which is a comprehensive service company of lock industry. The company owns many brands such as Jiang Sheng Industry, Jiangsheng Workshop, Jiang Sheng Lock City and Jiang Sheng Gang. Mainly serving lock maintenance and installation, lock maintenance skills training, online sales of smart locks, and offline services of franchise chain experience stores.

3. Mingjia Unlocking Training School

Mingjia Locksmith Unlocking Training School is affiliated to Jinan Huaiyin Xinmingjia Service Technology Center: it is a formal unlocking training school registered by the Industrial and Commercial Registration Public Security Bureau. It is a large-scale training institution specializing in all kinds of unlocking training, lock maintenance, fingerprint lock installation, home key preparation and various car key matching, car decoding, car remote control addition, car key complete loss, car smart card matching, automobile odometer watch adjustment, various lock maintenance tools and automotive electronics research and development.

4. Jinan Huaiyin Xinmingjia Technical Service Center

Jinan Huaiyin Xinmingjia Technical Service Center; It is a formal unlocking training school approved by the Industrial and Commercial Bureau, specializing in all kinds of unlocking services, car decoding, car remote control matching, car key matching, car smart card matching and car key loss matching.

5. Locksmith Unlocking Training School

Locksmith unlocking training school, the earliest and largest national recognized unlocking training institution, is mainly engaged in unlocking training, unlocking training school, unlocking technical training, unlocking technical school, professional unlocking training and automobile unlocking training.