Espero tu mensaje para poder ver con detalles cual es la necesidad del cliente.
Contamos con mas de 7 años de experiencia y con capacitación comprobable.
You must be a factory so from my experience I think there are other methods to operate by authorized persons instead of cards.
I'm the electrical engineer and designer of a milling company which has a lot of conveyors that need to be operated and speed controlled by specific authorized persons.
your needs are my peace of cake job.