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   Direct Line
                   HC Office Phone: +886-3-666-2756
                   HC Office Fax: +886-3-666-2758


                   SZ Office Phone: +86-755-8273-3962

                   SZ Office Fax: +86-755-8254-1397
 

  Direct Line
                   HC: 2nd Floor 62 Park Avenue 2 Science-Based Industrial Park Hsinchu
                   Taiwan 300.

                   SZ: 4F, 99# Building, Tong Fu Tun Industrial Area, Shi Ao, Longhua Town,
                   Shenzhen 518040, China.

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                   contact@keystonesemi.com