SIP Disc Brake internal, front, for Lambretta 175 TV 3°/200 TV /SX/DL/GP

I have a couple questions about the SIP Disc Brake internal, Art.No.30011000.  The link is:
Does anyone know the country of origin of manufacture of this replica and if the replaceable high-wear parts interchange with the original?  Any additional experience with the quality of this replica would be helpful as well.