Japanese supplier named "Sifo" produce and sell it to Renault Japon.They have also front real carbon defuser.
http://www.sifo.jp/sifo/clio/
The list price is same from Sifo and Renault Japon ,but i think actual price is cheaper from Sifo.
They imitated F1 rain light. But blinking rear light is prohibited ,so they made it as a fog light instead of one in the rear light cluster.