undefinedundefineds include waterproof phones, inmate phones, emergency phones, elevator phones and telephone kits as well.
As a reliable supplier of different kinds of industrial phones, we have been sharing the equipment and systems with different customers and users all over the world. The professional service and excellent quality made us enjoy the reputation over more than 80 countries, including USA, China, Thailand, Malaysia, Turkey, Israel, Greece, Spain, France, UK, Denmark, South Africa, Australia, Mexico, Colombia, Chile etc.
http://www.jrtelephones.com。