We are manufacturer who should offer according to your great idea for the new product , the existing product or the similar product with the existing one .
Feature:
1) With smooth surface and durable printing,Water-fast,sweat etching resistance and wearable
2) Should component with PCB ,FPC board then adhesive 3M ,also should use the LED light , metal done (better click-feeling than polyester switch)
3) Widely used in electric equipments ,auto part,electronic machine,etc.
4) Should do according to customer's demands