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J&R is one of the most professional manufacturers of weatherproof telephones, emergency telephones, industrial telephones, public telephones and telephone manage system in Asia. The successful cooperation with thousands of customers all over the world and the supports to hundreds of projects have made us a reliable and popular supplier of industrial phones and phone accessories. Our main products include telephone manage system, weatherrproof phones, inmate phones, emergency phones, elevator phones and telephone kits as well. As a reliable supplier ... [Details]
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