insulation circuit assembled with LED

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45 Years of insulation circuit assembled with LED Supply | YI YI

Based in Taiwan, Yi Yi Enterprise Co., Ltd., since 1974, is a insulation circuit assembled with LED manufacturer. Every OEM or ODM finished product 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 & circuit board, both with advanced technology and 25 years of experience, YI YI ensures each customer's demands are met.

insulation circuit assembled with LED

Membrane Switch 0116

double layered FPC’s with :0.5,1 mil polyimide or 1 mil polyester cover film.

Medical Keyboards Metal dome switch, Embossing switch, Emboss keypad


  • Water proof machine
  • Electronic sacle
  • Scientific devices
  • Blenders
  • Consumer
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