We can provide OEM membrane switches, FPC, silicon rubber, EL, touch screens and assemblies A. ... water proof ,dust proof and anti corrasion and so on 4. Strick quality inspection ,100 % funtional tesiting ,and we ... of assembly,such as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer ,plastic bezel and ... ~200Hz,Mil-SLD-202,M204.Condition B) Copper FPC for Keyboard for Iphone