Huanyutong Electronic Co., Ltd. is a high-tech enterprise, We specialize in manufacturing, researching and marketing of intelligent building interphone system and internal communication device. Our main products include door phone, video intercom for sub-district network, video bidirectional intercom, and unilateral video intercom. They are applied widely in bank, hospital, public broadcast, jail and etc. We also offer digital recording monitor and intelligent queue system.  We hold the principle of "Client first, Credit guarantee" as our motto to improve our products and lead the trend. Insisting on "the service is prime" as our marketing principle, we have cohered numbers of talents, who are specialized in management, innovation and marketing. Meanwhile, focusing on the markets, we continually extract the excellent experience from our competitor to enhance our technical level and improve our service system. So that we can offer the best services to our customers.