J&R TECHNOLOGY.J&R TECHNOLOGY was established on June 16, 2014, with its registered office located in Bao'an District, Shenzhen. The company holds ISO9001, ISO14001, and ISO45001 management system certifications. Its products carry major domestic and international certifications including CCC, CE, FCC, and RoHS, as well as specialized product certifications such as CNEX, ATEX, and IECEX. After over a decade of accumulation and refinement, the company has developed a series of communication products and specialized solutions tailored for outdoor, high-humidity, high-noise, and potentially explosive environments. These solutions leverage analog, VoIP, and wireless communication technologies to deliver waterproof, explosion-proof, vandal-resistant, and noise-resistant capabilities. Key product lines include: Waterproof Telephone Series, Explosion-Proof Telephone Series, Public Vandal-Resistant Telephone Series, Emergency Assistance Telephone Series, Audio-Visual Telephone Series, Outdoor Telephone Series, Telephone Accessories Series, Telephone Booth Series, and Video Telephone Series.