P+R is a abbrecation of Plastic & Rubber. P+R processing
is combining plastic & rubber under special technic. The
froperty of P+R is hard key top with rubber key fiiling. It
is broad application in the blarket.
Different technic\ Different combination and cteatine cosmatic
keypad\ Double injection plating\ Spraying\ Silkscreen and
metal sheet black plated\ Kifferent silicon to be chose.