SMDT is a subsidiary of SMIT Holdings Limited (which listed on the main board of Hong Kong Stock Exchange, Stock Code: 02239), Our business scope covers Smart Display, AI Machine , IoT device. IoT Product Department integrates R&D, testing, production management and sales, and is committed to building a global high-end IoT application segment -- the popularity of Smart IoT Padlock.

IoT Padlock developed by SMDT is the world's first modular intelligent Padlock, which can be widely used in logistics and transportation, cargo inspection, warehouse management, equipment management and other scenarios. It adopts the original modular structure design and solves the difficulties of adjusting switch mode, dimension and battery replacement efficient in order to adapt to different application scenarios as well as guarantee the reliability of device.Greatly reduced customers hardware maintenance cost, and improved the operation efficiency. SMDT has more than 80 R&D teams, owns more than 60 patents, and serves more than 2000 customers worldwide.