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

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45 Years Membrane Switch & Flexible Printed Circuit Manufacturer | YI YI

Based in Taiwan, Yi Yi Enterprise Co., Ltd., since 1974, is a membrane switch & flexible printed circuit manufacturer. Every OEM or ODM finished membrane switch & flexible printed circuit is fully assessed before delivery, and all of our materials and components are RoHS compliant.

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 suitable for use in computers, instruments, electronics and electrical goods. FPC bending test, FPC auto drilling, FPC e-test, FPC SMT, CNC laser cutting, color scanner, SMT for membrane switch and printed circuit supply. Export 70% worldwide in US and Europe and the rest 30% in Taiwan.

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

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  • Electroplating Aluminum Plates
    Electroplating Aluminum Plates
    Printed Aluminum Plates 0608

    It can be used as a logo on a bicycle or any plastic case to display the main logo as needed.


  • Anodized Aluminum Nameplates
    Anodized Aluminum Nameplates
    Printed Aluminum Plates 0610

    This nameplate made by aluminum material with numbers. Widely used in car or motorcycle .In addition to the designs of your nameplates, you can choose the finish and any type of adhesive.



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