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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.gdstie.com
e-mail:shengz_k@gdstie.com
p/c:510070