Established in 1997, Shenzhen Lonbon Technology Co., Ltd. is a leading and professional manufacturer and solution provider of audio and video intercom system in the world. Our products are manufactured under strict quality supervision and comply with ISO 9001 Quality System, CE and RoHS certificate. Meanwhile, Lonbon is one of the members of China Security and Safety Council, being awarded as "Top 10 Security Brand in China" and "Top 10 residential intelligent brand" Our product range: 1) Window intercom kits for window service, such as bank and toll station etc. 2) IP network Intercom system for bank, school, police station, hospital, office and etc. 3)Digital and analog recording car ... more