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Shanghai Changwei Semiconductor Co.,LTD.
Address :Room 1207-1209,No.188 Puhui Road,Jiuting Development Area,Songjiang District,Shanghai
TEL : 86-021-57632747
FAX : 86-021-57632747
Email:ledcw@hotmail.com
               zhihualeeno1@126.com
WEB: http://www.led-cw.com