Established in 1999, Huanyutong Electronic Co., Ltd is specialized in research, manufacture and marketing of security and communication products, We have more than 200 products on sale both in domestic China and overseas. Our target is to "offer good quality products with competitive price ." Specifically, the main product lines include: 1) Wireless calling system used for restaurant, tea house, KTV, hotels, casino and hospital etc, 2) Intercom system for hospital, office etc. 3) Window intercom kits for service window, such as bank and toll station etc. 4)Nurse calling system for hospital etc. 5) Individual doorphone video calling system for villas Our R&D:Our experienced R&D team can offer verified styles of products with your specific requirement .We will consistently research and produce security & protection products with high quality, fashionable style, convenient usage and low cost. Regarding management, our plant are ISO9001:2000 certified, and we are one of the members of the China Security and Safety Council which ensuring that our products meet quality standards, We have advanced manufacturing technology, standard ISO QC management, s and strict quality guarantee system. Lead time for items:We have a high-efficiency group, samples would be ready within 5 days upon order, while the delivery lead time would be within one to two weeks. We sincerely welcome friends all over the world to join us in this field, hope we would get multi-win win and gain long term cooperation together.