According to the query of higher vocational enrollment network, Chengdu Sanxin Locksmith Vocational Skills Training School is a professional training school for unlocking, repairing and changing locks, providing all kinds of car lock training, safety lock training, electronic lock training, anti-theft door opening training, indoor door lock training and shutter door unlocking training.

Unlocking specialty is a category of lock repairman, which mainly refers to the repair and reprocessing of various locks.