Yi Yi Enterprise Co., Ltd., since 1974, is a Switches on FPC designer and 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.
Assembled with any SMT components and metal dome.
Suitable for any mobile device with monitor on it.
Surface treatment: Gold plated 1 ~ 32u"
RA Copper or ED Copper: 1/2oz or 1oz
Cover Film: 1mil or 1/2mil Polyimide