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DOUWIN Int'l Industry Limited
Guangzhou DouWin Electronics Limited
Add.: E Building, YueAn Industry Park, TianHe District, Guangzhou City,China
email: sales@douwinlock.com
Tel: 86-20-82326980(Dir.)
Ext.:601,602, 603,604,605,606,607,608,609,610 Fax: 611
whatsapp:
+86-13360557572
wechat: douwinlock
Viedo for how to programe room number
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- File Name: Viedo for how to programe room number
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