Custom Membrane Switch with Leds 

Custom Membrane Keypads      KD (DONG GUAN) MEMBRANE TECHNOLOGY CO., LTD was established in March, 2021, which is a professional manufacturer in designing and producing for touch screen (4 wire/5 wire/projected and surface capacities touch screen), membrane switch ( PET / PC / silicone rubber / transparent silver ink) with various components. Membrane switch is an operating system that integrates key functions, indicating elements and instrument panels. It consists of four parts: panel, upper circuit, isolation layer and lower circuit. When the membrane switch is pressed, the contacts of the upper circuit are deformed downward, and are in contact with the pole plate of the lower circuit. After the finger is released, the contacts of the upper circuit bounce back, the circuit is disconnected, and the circuit triggers a signal.The membrane switch has strict structure, beautiful appearance and good sealing performance.    We are…