... tesiting ,and we can also do specified testing ,such as humility testing ,life expectancy testing ,actuation force testing.5. We are qualified Dara switch ... as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer ,plastic bezel and so on. 6. We can ... (10~200Hz,Mil-SLD-202,M204.Condition B) OEM Silicon Rubber keyboard Membrane Switch