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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  • Colorful Graphic Overlay
    Colorful Graphic Overlay
    Graphic Overlay 01

    YIYI provides overlays with anti-scratch, UV and abrasion resistance materials and a variety of adhesives, protective films and surface treatments. We utilize silk screened to print gradient color, multicolor and monochrome. Overlays can protect LED, LCD and touch screens or can be attached to PCB or any equipment.


  • Embossing Graphic Overlay
    Embossing Graphic Overlay
    Graphic Overlay 02

    YIYI provides overlays with anti-scratch, UV and abrasion resistance materials and a variety of adhesives, protective films and surface treatments. We utilize silk screened to print gradient color, multicolor and monochrome. Overlays can protect LED, LCD and touch screens or can be attached to PCB or any equipment.


  • Embossing Graphic Overlay
    Embossing Graphic Overlay
    Graphic Overlay 03

    YIYI provides overlays with anti-scratch, UV and abrasion resistance materials and a variety of adhesives, protective films and surface treatments. We utilize silk screened to print gradient color, multicolor and monochrome. Overlays can protect LED, LCD and touch screens or can be attached to PCB or any equipment.


  • Colorful Graphic Overlay
    Colorful Graphic Overlay
    Graphic Overlay 04

    YIYI provides overlays with anti-scratch, UV and abrasion resistance materials and a variety of adhesives, protective films and surface treatments. We utilize silk screened to print gradient color, multicolor and monochrome. Overlays can protect LED, LCD and touch screens or can be attached to PCB or any equipment.


  • Colorful Graphic Overlay
    Colorful Graphic Overlay
    Graphic Overlay 05

    YIYI provides overlays with anti-scratch, UV and abrasion resistance materials and a variety of adhesives, protective films and surface treatments. We utilize silk screened to print gradient color, multicolor and monochrome. Overlays can protect LED, LCD and touch screens or can be attached to PCB or any equipment.


  • Colorful Graphic Overlay
    Colorful Graphic Overlay
    Graphic Overlay 06

    YIYI provides overlays with anti-scratch, UV and abrasion resistance materials and a variety of adhesives, protective films and surface treatments. We utilize silk screened to print gradient color, multicolor and monochrome. Overlays can protect LED, LCD and touch screens or can be attached to PCB or any equipment.


  • Embossing Graphic Overlay
    Embossing Graphic Overlay
    Graphic Overlay 07

    YIYI provides overlays with anti-scratch, UV and abrasion resistance materials and a variety of adhesives, protective films and surface treatments. We utilize silk screened to print gradient color, multicolor and monochrome. Overlays can protect LED, LCD and touch screens or can be attached to PCB or any equipment.



Result 1 - 7 of 7