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