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Zhengzhou Sundyn Computer Technology Co., Ltd.
service, quality, evaluate, complement
 
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Service quality evaluation device used to service hall and window

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Title： Service quality evaluation device used to service hall and window 
Unit price： Negotiable
MOQ： Negotiable
Quantity： Negotiable
Delivery date： Since the payment date Days delivery
Contact： zhous zhou （Mr.）    
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The RS- 485 communication,communication distance 1000 meters,the window does not need the computer.
Service quality evaluation device used to service hall and window
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