Beijin Address: 126 Xinhua East St, Tongzhou District, Beijing, China

Mobile phone: +86 135 2069 6979

E-mail: Mike@gt-wisdom.com

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Shenzhen Address: 11floor, A building, Xinghe Century Towers, Cai Tian Road,Futian street, Futian District, Shenzhen, China

Mobile phone: +86 155 1002 3565

E-mail: LayneWen@163.com