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Zhongke Scientific & Technical Co., Ltd. Address:Room 102A, Building 9, No. 100 Xianlie Road, Yuexiu District, Guangzhou 510070, China Tel:+86(0)20-3765 6268 Fax:+86(0)20-8768 2371 +86(0)20-8768 1505 Web:http://www.boobarkmusic.com E-mail:shengz_k@gdstie.com P/C:510070