J&R is China based design nad manufacture of rugged commmunications equipment. Our telephones and system can work ,and stay in enviroments where regular products couldn't do. All of our telephone models are available or Analogue,IP/SIP,GSM/3G/4G version. Delication and profession have been our pursing goal during in any procedures of our production, not only in produciton developing and quality controlling ,but also in market and sales. We serve any single potential customers with special individual solution and system.Our products have several compliant in CE,FCC,ROHS,A-tick,ATEX,IK10,explosion of our country ,and so on. We sever for many of global customers and programm, such as the thermonuclear power station of Zabro in Ukraine ,nuclear power station in Taipingling,Hongkong,and so on.