Zhuhai Ruian Technology Co., Ltd. Pvt Ltd is specialized in all types of Video Phone Electronic Door Lock and best quality Fingerprint door lock,Visual Intercom,wired villa video doorbell,Access contr...

xueqing road, Beijing, Beijing, China

Beijing Xin Hua Tong He Technology Development Co., Ltd. (XIN HUA Technology for short) has been developing based on China Communication Construction Corporation which is a member of the Ministry of I...

Beijing Xin Hua Tong He Technology Development Co., Ltd. (XIN HUA Technology for short) has been developing based on China Communication Construction Corporation which is a member of the Ministry of I...

Our products are mainly recognized for accuracy and precision, thanks to skilled professionals and lab experts at our production facility situated in Beijing, , China. The reason Shanghai Zucheng Elec...