(NOTICE: As the business development needs, from Jun 25th,2016, Our new company e-mails info@fsduobang.com and sales@fsduobang.com putted into use officially, instead of the old e-mail fsduobang@163.com (not use this email at all). If you receive any e-mail from fsduobang@163.com, please ignore, not to open it, and contact us. Please note! Any inconvenience caused, please understanding. Thanks! )