All rights reserved：Ningbo Dinron Intelligent Techonlogy Co.,Ltd.  
Add：Unit 2,Building 10,Binhai Smart Innovation Park,Cixi Binhai Economic development Zone,Ningbo,China
Tel：+86-13957443199    Eamil： david@china-xtdoorctrl.com ; anna@china-xtdoorctrl.com
Web：www.xtdoorctrl.com