... 0.5, 0.7, 0.8 and 1mm Thickness 2.Customized Designs are Accepted. 3, Pass ISO 9001:2008; ISO14001:2004 Tactile membrane ... , whether on the material or mold charges, the costs are lowest,the life expectancy of different types of membrane switch ... ,In-house 100% functionally tested,components are guaranteed without any intermittent problem. 7.Customized specification is available and keys can make ...