I don’t know about install costs, servicing, and the cost of the missiles, etc, but the basic system per ship is way cheaper than I thought —maybe $15 million or something. CHEAP..!
They should buy a system for each ship, I think.
The PRC does have an AEGIS-like system, of course. I heard stolen from us...
The Chinese phased array system was supposedly developed with a Ukranian institute and uses a Soviet era based SAM.