The company supplies include 180KG, 280KG, 320KG, 500KG so many different specifications of the product's tensile strength. With lock status indicators, with unlockdelay and so on features. Compatible include access control system, building intercom control system, fire control system and any access control system. Suitable for installation in fire doors on almost all types of wooden doors, stainless steel doors, steel doors, glass doors frames, the modular designs makes the product more function easily implement the installation, upgrade and maintenance.