Based on reliable technology of our affluent experience with highly advanced and new ideas, we have investigated development for further silicone rubber application, and developed effective and reputable products forecasting various market requirements. “Zymark” ink which enabled adoption, of silicone rubber key-top in stead of plastic key-top, “Zymark-Printing-System” (already patented in many countries of the world) and the innovation of injection molding technique are the results of the accumulation of our original technology. Actuation force feeling tester Curelasto meter Tensile strength tester Automatic feeling tester Gas chromatography 3D CAD Solenoid life tester