Safety and security are paramount in today's fast-paced world. Whether in a public place, workplace, or any other environment, having a reliable communication system is essential to ensure personal well-being. Ningbo Joiwo factory located in Yuyao City, Zhejiang Province, recognizes this need and provides comprehensive safety and security telephone communication solutions.These kind systems is composed of elevator telephone system , clean room telephone system, bank telephone system, hospital telephone system, intercom telephone system,etc.