J&R Technology Limited located in ShenZhen, China, where is closed to HongKong. J&R is a professional manufacturer of industrial telephones and public payphone parts for many years, making her become a reliable vendor of industrial phones and public phone parts in the world. Our main products include rugged telephones and Payphone parts series, such as inmate phone, emergency phone, auto-dial phone and Handset, Keypad, Hook Switch, Housing, armored cord assembly, hood, ect.