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CHINA CHENGTONG INTERNATIONAL CO.,LTD
Address:   19F, Building A, The West Lake Plaza of International Science & Technology, No.391 Wener Road
                    Xihu District, Hangzhou, China
Post No.:
    310012
Tel  :          0571-89807600 
Fax:           0571-89807601 
Mail:         
chengtgm@163.com