ThyssenKrupp's triangle lock is a high-end safety lock specially designed for key areas such as elevator shaft doors and machine room doors. It combines ThyssenKrupp's deep technology and excellent craftsmanship to create the safety performance and durability of the triangle lock; it adopts a triangular structure design, achieving mechanical stability and effectively resisting external prying and shearing; the lock body and core components are made of high-strength, corrosion-resistant high-quality materials, and can still maintain good performance after long-term use, and are suitable for various Models and specifications of elevator systems.