Yi Yi (SYN) - A professional manufacturer of membrane keyboard switches, flexible printed circuits and flexible aluminum heaters.

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Membrane Switch | EL Panel | Circuit Board Design and Manufacturing - YI YI

Yi Yi Enterprise Co., Ltd., since 1974, is a multi layer flex circuit | circuit board | membrane switch manufacturer based in Taiwan.

Specialized in manufacturing membrane switch with super-abrasive finishing, as well as PCB board, graphic overlay, EL panel and circuit board, all materials and components are RoHS compliant and suitable for use in computers, instruments, electronics and electrical goods.

YI YI has been offering customers high-quality membrane switch, EL panel & circuit board, both with advanced technology and 25 years of experience, YI YI ensures each customer's demands are met.