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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  • Double-sided Flexible Printed Circuit (F.P.C.)
    Double-sided Flexible Printed Circuit (F.P.C.)
    Flexible Printed Circuit 0201

    Double side FPC,assembled with metal dome.Surface treatment: Gold plated 1 ~ 32u"RA Copper or ED Copper: 1/2oz or 1oz,Cover Film: 1mil or 1/2mil Polyimide


  • Solderable Flexible Printed Circuit
    Solderable Flexible Printed Circuit
    Flexible Printed Circuit 0202

    Very thin light, and flexible. Suitable for any 3C products. Surface treatment: Gold plated 1 ~ 32u" RA Copper or ED Copper: 1/2oz or 1oz Cover Film: 1mil or 1/2mil Polyimide


  • PITCH 0.1mm / GAP 0.08mm FPC
    PITCH 0.1mm / GAP 0.08mm FPC
    Flexible Printed Circuit 0203

    Very thin circuit FPC,connection in board to board. Surface treatment: Gold plated 1 ~ 32u"RA Copper or ED Copper: 1/2oz or 1oz Cover Film: 1mil or 1/2mil Polyimide, PITCH 0.1mm / GAP 0.08mm FPC.


  • FPC with molex connector
    FPC with molex connector
    Flexible Printed Circuit 0204

    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


  • Multi-layer Flexible Printed Circuit
    Multi-layer Flexible Printed Circuit
    Flexible Printed Circuit 0205

    According to the layer of Cu, FPC’s can be single sided, double sided, have two layers, or be multi-layered. Our FPC products include single sided, double sided, rigid-flex PCB and SMT services. They are ISO9001, ROHS, MSDS, PFOS, PFOA certified. Among the product feature are good conductivity, with the ohm below 15, gold plating, unusual shape, and SMT. The product can be bent, improving the efficiency of the configuration.


  • Plating gold Flexible Printed Circuit
    Plating gold Flexible Printed Circuit
    Flexible Printed Circuit 0206

    The circuits are flexible, assembled with connectors, and applied at any angles of FPC. The stiffener is attached to enhance the thickness, and the product is assembled with a metal dome to provide tactile switches. Any shape angle can be applied, and OEM and ODM services are acceptable.


  • SMT Flexible Printed Circuit
    SMT Flexible Printed Circuit
    Flexible Printed Circuit 0207

    white text printed on the cable, stiffener underneath the exit pins pad,3M adhesive ,polyester or kapton stiffener,Conductor (copper) thickness: 0.5,1, 2oz (RA or ED Cu)


  • 0.2mm pure copper flexible printed circuit
    0.2mm pure copper flexible printed circuit
    Flexible Printed Circuit 0208

    0.2mm pure copper Plating tin Total thickness: 6 oz


  • Flexible Printed Circuit (F.P.C.)
    Flexible Printed Circuit (F.P.C.)
    Flexible Printed Circuit 0209

    Offering SMT service, 100% testing before shipping Double layer circuits FPC,Plating gold ,cover film:0.5,1 mil polyimide or 1 mil polyester


  • Flexible Printed Circuit (F.P.C.)
    Flexible Printed Circuit (F.P.C.)
    Flexible Printed Circuit 0210

    Our FPC products can be single sided, double sided,multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.


  • FPC with Light Guide Film
    FPC with Light Guide Film
    Flexible Printed Circuit 0211

    Double side FPC assembled with light guide film, using side light LED to make large area evenly light. Our FPC products can be single side, double side, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.


  • 4 Layers Flexible Printed Circuit
    4 Layers Flexible Printed Circuit
    Flexible Printed Circuit 0212

    Our FPC products can be single sided, double sided, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.


  • Flexible Printed Circuit with Stiffener
    Flexible Printed Circuit with Stiffener
    Flexible Printed Circuit 0213

    The material of stiffener could be polyimide or polyester. Our FPC products can be single sided, double sided, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.


  • SMT Flexible Printed Circuit
    SMT Flexible Printed Circuit
    Flexible Printed Circuit 0214

    Double sided FPC. Assembled with components. Our FPC products can be single sided, double sided, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.


  • FPC assembled componets
    FPC assembled componets
    Flexible Printed Circuit 0215

    Flexible Printed Circuit with light guide film. Our FPC products can be single sided, double sided, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.


  • ESD Shielding Flexible Printed Circuit
    ESD Shielding Flexible Printed Circuit
    Flexible Printed Circuit 0216

    Double Sided FPC with ESD Shielding Layer. ESD shield can prevent the electrostatic disturbance. Our FPC products can be single sided, double sided, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.


  • FPC with Metal Dome
    FPC with Metal Dome
    Flexible Printed Circuit 0217

    Double sided FPC. Assembled with metal dome or SMT any components. Our FPC products can be single side, double side, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.


  • DIP Components FPC
    DIP Components FPC
    Flexible Printed Circuit 0218

    We can DIP any type of components on FPC. Our FPC products can be single sided, double sided, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C


  • SMT Flexible Printed Circuit
    SMT Flexible Printed Circuit
    Flexible Printed Circuit 0219

    These are assembled with components, LED, IC or connector. The FPC’s come in a variety of shapes. They include ground shielding and white text printed on the cable. Widely used in industrial machines, beauty products and consumer goods, they are plated in nickel, gold or tin. They are ROSH, and ISO9001 certified.


  • Flexible Printed Circuit with Metal Dome
    Flexible Printed Circuit with Metal Dome
    Flexible Printed Circuit 0220

    These double-sided layer FPC’s contain surface plating gold treatment and SMT service. They are assembled with components or LED and are ISO9001 and ROSH certified. They are widely used in medical implements, computers, cell-phones and consumer products. Small orders are accepted. Are main markets for this product are in America, Europe and Asia.


  • PET Type Flexible Printed Circuit
    PET Type Flexible Printed Circuit
    Flexible Printed Circuit 0221

    The base material is 3mil Polyester. Automoile PET copper An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time.


  • Automobile use PET copper FPC
    Automobile use PET copper FPC
    Flexible Printed Circuit 0222

    The base material is 3mil Polyester. FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time.


  • Membrane Switch with Flexible Printed Circuit
    Membrane Switch with Flexible Printed Circuit
    Flexible Printed Circuit 0223

    The FPC is assembled with membrane switches, and has round embossing with metal domes, which provide tactile switches. It is assembled with LED and incorporates silk screen printing and single side layer circuits. Widely used in coffee machines and beauty instruments, they contain transparent PET windows.


  • FPC assembled graphic overlay
    FPC assembled graphic overlay
    Flexible Printed Circuit 0224

    Our FPC products can be single side, double side, multilayer, and with SMT (surface-mount technology) to meet your particular needs. An FPC can be bent and folded, improving the efficiency of the configuration and being able to last for a long period of time, having a temperature tolerance of 180 - 200°C.



Result 1 - 24 of 26