... material are high quality ,all the material we used are Rohns compliant 3.Our engineer will work with customers and ... proof and anti corrasion and so on 4. Strick quality inspection ,100 % funtional tesiting ,and we can also ... of assembly,such as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer ,plastic ... -SLD-202,M204.Condition B) OEM Membrane Keyboard with Kingbright LED