Shenzhen Smart Lock Co.,Ltd is one of leading manufacturer of alarm lock in China, located in Shenzhen, a center of electronic products in Chine, we combine the strong lock with intelligent alarm system as a unit, making your property more security. Our main products include Alarm Padlock, Alarm Disc Lock, Alarm U Lock, Alarm Cable Lock, Alarm Chain Lock etc. As a growing company, we highly value the quality of our products, and the relationship with our partners.