CRAT was established in 2016，is a manufacturer with a professional R&D team, specializes in lock management systems with Automatic recognition,Encryption, and IoT technology.

CRAT intelligent lock systems are widely used in railway, communications, power, banks, grains, petrochemicals, smart cities, logistics and warehousing,smart heating, water affairs,exhibitions, property, etc. And enjoys a high reputation for Integrity. At present,1000000+products exported to many places of the world .