Shenzhen tongchuangfa Electronic Co., Ltd. established in 2003.We are special manufacturing membrane switch, graphic overlay, silicone rubber keypad, FPC, PCB. and IMD ***** products can be used in areaofcommunications, equipment, home appliance and toy etc.We was authurized by ISO 9001. For 4 years development, we became one large and professional supplier for membrane switch in mainland china, we are capable of making any kind of design according to your drawing. If we can help you, please feel free to cotact us in any time!