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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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YI YI Enterprise Co Ltd was established in 1974. We have primary competitive advantages, such as experienced R&D departments, OEM / ODM capability, and large production line. To satisfy customers' requirement is our permanent mission.

We are expert in manufacture of membrane keyboard switches, flexible printed circuits, rigid-flex board, el panels, silicone rubber keypad and name plates. We have acquired the skills and technology necessary to produce top-quality products that are suitable for use in computers, instruments and other electronic and electrical goods.

We have two factories located in Taiwan. With a total of 5 million US dollars in capital investments, we have six production lines, using imported and locally sourced equipment.

We accept OEM and ODM requirement from customers. All our materials and components are RoHS compliant. We do inspect at each stage of production and every finished product is checked before delivery as part of our 100% quality testing.