Granite Marble Polishing Machinery

i am on a process of setting up a processing plant for granite / marble tiles processing plant. and i am on the process of collecting data and compliance according to our proposal.
hence can you please recommend and give us a complete specification and quotation for machines for a complete line including cranes.
please note that, considering the poor skilled labor force in ethiopia we require the simplest and less complicated machines that require very little computerized technology for oper