Our container door locks are highly utilized in express cargo monitoring, custom cargo monitoring, logistic cargo transportation, and different valued capital management and monitoring applications. These locks can be provided to the customers with GPS functions through which they will be able to locate their ships and containers at right time or whenever they require to locate. Our container door locks enable the users to get the real-time report through the integrated GPS positioning feature. This feature additionally enables the customers to send every status to their main servers. In addition, every lock and unlock history will be automatically stored to the main server. The customers can modify and set the lock parameters of GPS through the SMS function.