Established in 1999, Huanyutong Electronic Co., Ltd. is specialized in the research, manufacture and marketing of security and communication products, especially video and audio door phones and intercom systems. We have more than 200 products in our catalogs for your choice. Specifically, the main product lines include: 1) Video and audio door phone system for villa 2) Video and audio door phone system for apartment/building 3) Wireless calling system for restaurant, hotel and bar 4) Window intercom kits for service window, such as bank and toll station 5) Intercom system for prison visitation 6) Intercom system for hospital, nursing call and ICU 7) Intercom system for elevator and other places where internal communication is needed Our experienced R&D team can work with you on your specific requirement, filling all buyers'' customized OEM and ODM needs. Also, appointed logos are available if you need. Moreover, our products are ISO9001 certified, and we are a member of the China Security and Safety Council, ensuring that our products meet quality standards. We have a high-efficiency group, and can send samples in 10 days, while the delivery time is 10 to 20 days for normal models. We will consistently research and produce security & protection products with high quality, fashionable styles, convenient usage and low cost. Our target is to offer good quality products with competitive price in short time. We sincerely welcome customers to do business with us, and are sure that our cooperation will be very successful and profitable. Please contact us for more information.