Security Door Locks, Door Knob Lock

Every detail is particularly exquisite, with many advantages, such as quiet, intelligent buffer, fire safety and durability, anti pinch and so on. In case of emergency danger, you can insert the emergency key into the emergency hole, and turn it to open the lock from the outside. The main material of this fireproof lock is zinc alloy. The lock cylinder is equipped with spiral compression spring, which has good elasticity and long service life. It has 3 hours UL fire safety certification, 12.5mm tongue length, no door opening direction limit, and can be opened left and right, which is more safe and guaranteed. 75mm diameter cover, wide range of use, can be applied to different thickness of the door, easy to install, simple, easy to operate. There is a unique spring return structure in the front and rear gears, which can effectively avoid the handle drooping. The structure is solid, durable and reliable. It can effectively evacuate people in emergency without locking or opening. It can guard against theft and freely enter and exit. It provides 24-hour security protection every day. Solid tongue provides strong protection against pressure and long fire resistance.Our product ranges includes belows:*Automatic door*Sectional Industrial door opener*Sectional Garage door opener*High speed rolling door system includes rolling door motor,tubular motor etc..*Gate opener system*Road barrier system includes barrier, turnstile etc.*All related control system and accessories*Customerized products that required by customer market /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1