The prison telephone system plays an important role in the management of prisoners. Prisons usually install some Wall-mounted Vandal Resistance Prison Telephones to maintain the stability of using. Family communication by telephone can help prisoners to promote their ideological stability and peace of mind. Communication with the outside can also help prisoners to release […]

  Brazil, one of the “BRIC countries”, is an important economic large country in South America. The automobile industry is an important economic pillar sector of Brazil, contributing 20% of its industrial output value. Brazil’s automobile industry also drives the revitalization of upstream industries such as steel and autobile spare parts. Recently, a local industrial […]

  J&R has successfully completed the production of 1,000 sets emergency telephones for the Turkish tunnel project and has already arranged the delivery. In the first phase of the project, J&R provides these 1,000 sets of JR103-CB-SIP weather-resistant emergency telephones which color is customized . After one month of material preparation and production, At the […]

J&R is very honored to cooperate with one of Turkey’s largest road and tunnel automation system service providers in the tunnel emergency telephone project. In the first phase of the project, J&R provides 1,000 sets of JR103-CB-SIP weather-resistant emergency telephones which color is customized . After a month of material preparation and production, the production […]

At the beginning of 2021, the explosion-proof emergency telephone project of J&R Technology Co., Ltd.  was successfully completed in Saudi oil refinery. Saudi Arabia has a very rich oil resources, has a pivotal position in the international oil market.As a major global oil producer, Saudi accounts for 10 percent of the world’s crude oil output.Most […]