1-metal dome,PET Sheet,Stainless steel dome 2-ISO90001,ROHS,SGS 3-1 million life cycle 4-OEM,ODM welcomed metal dome;1.Material :Stainless steel 2.Avaliable for enhancing tactile feeling3.Carrier: PET 4.Wth or without single side adhesive spacer 5.With silicone adhesive for rubber keypads 6.More than 10,000,000 life cycles 7.Avaliable in various metal dome: round, triangle, four Legs and oblong ...