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E-mail：jksong@vip.163.com
TEL：+86-755-28509936
Address：Gankeng community, Jihua street, Longgang district, Shenzhen, China.
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E-mail：jksong@vip.163.com
TEL：+86-755-28509936
Address：Gankeng community, Jihua street, Longgang district, Shenzhen, China.