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Installed at the manhole cover on the top of the vehicle, it serves as the intelligent lead seal lock actuator and works in coordination with the controller (Z10) via wired connection. It can stably and efficiently monitor and control the status of the tank truck's manhole cover, fundamentally solving issues such as easy imitation, counterfeiting, illegal replacement of traditional lead seals and the like, as well as unstable communication. The device is safe, stable, and highly anti-interference, and can adapt to various harsh environments.