How about the security door of Jinhua Yinuo Door Industry?

Security door is called security door, which refers to "a door with a security lock, which can resist abnormal opening under certain conditions within a certain period of time, has certain security protection performance, and reaches the corresponding security level". In other words, not all doors can be called security doors. First of all, security doors must be equipped with anti-theft locks; Secondly, the security door can't be easily opened except with a matching key.