The main products, which have been developed over 26 years, include the electronic patrol system, the smart patrol system, the smart locking system, the unsourced electronic lock, and the better patrol. More than 20 industries, such as railways, communications, electricity, banks, the military, grain banks, petrochemicals, smart cities, logistics warehouses, intelligent heating, water, exhibitions, property, etc., are widely used to provide security to 300,000 domestic and foreign users every day。