NI (NICKEL) PLATING
SN (TIN) PLATING
AG (SILVER) PLATING
AU (GOLD) PLATING
ELECTROLESS (NI) PLATING
NISN PLATING
AUSN PLATING
NIAU PLATING
NI AG PLATING
CU (COPPER) PLATING
ELECTROLESS NIAU PLATING
Pd (PALLADIUM) PLATING