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address：F1-2, Building 117, First High-Tech Industrial Park, Luohu District, Shenzhen City
phone：0755-25708154
fax：0755-25708167
Site：www.mtpbike.cn
mailbox：marketing@szsh.cn
                 shuanghexsb@163.com
Zip Code：518004

address：C513-515, Building A, 181 Taibai South Road, Xi’an High-Tech Industries Development Zone, Xi’an City
phone：029-88276607
fax：029-88276607
Site：www.mtpbike.cn
mailbox：xash@szsh.cn
                 xash_kfb@163.com
Zip Code：710065