Zhuhai Rui’an Technology Co.,Ltd. Is one of the most important integrated manufacturers in the field of community security and smart home and a high-tech enterprise engaged in research and development ,production, sales and service.It is located in the core area of Zhuhai city in Guangdong province.Since 2010 we have been developed and produced telephone intercom system, 2 way intercom system, wifi villa intercom system, video door phone,wireless video door phone, door access control,Building system