Company Profile
J&R TECHNOLOGY LTD, established in 2012 in Hong Kong, China, is a premier designer and manufacturer of industrial telephones and communication systems designed to optimize communication and safety in public safety, transportation,oil&gas industry and a wide range of sectors for daily work and critical moments.
We hold national high-tech enterprise and management certifications like IS09001, 1S014001, and 1S045001.Our products boast essential certifications such as CCC, CE, FCC, and RoHS for both domestic and international compliance.We also hold safety certifications like CNEX, IECEX, ATEX, EAC, INMETRO, along with product patents and software copyrights.
With more than ten years of accumulation and precipitation, for outdoor, high humidity, high noise, hazardous areas and other special environmental characteristics, &R have formed a full series of communication products and special solutions with waterproof, explosion-proof, anti-vandal, anti-noise capabilities based on analogue, VolP and GSM communication technology.
Backed by a robust customer service system, we swiftly cater to diverse customer needs in 120+ countries.Collaborating closely with global giants like ABB, Thales, Honeywell, ALSTOM, Siemens, SNCF, VINCI, CGN, CNOOC, Sinopec,ONGC,Petrobras,WANHUA, ZPMC, etc, we adhere to values “Customer first, integrity & altruism and embracing change”.J&R evolves alongside partners to meet industry demands while delivering exceptional customer value.
Main Business
Powered by analog,VoIP and wireless technologies, J&Rs industrial communication products are waterproof, explosion-proof and noise-resistant. With flexible networking and dispatch integration, they deliver round-the-clock reliable voice service for harsh environments in public security, transport, petrochemical and mining industries.
Main Products
Description:
JREX HSA explosion-proof loudspeaker is an explosion-proof horn loudspeaker suitable for inflammable and explosive places. It can be used with various power amplifiers and sound amplification equipment. It can also be used for IP equipment access systems for amplification calls or alarms. The sound transmission part of the equipment adopts the most advanced stainless steel wire mesh explosion-proof component in China. The component has the characteristics of low sound attenuation,large flow capacity, high mechanical strength, and large explosion-proof safety factor. It is suitable for inflammable and explosive places in the petroleum, chemical textile,military, electric power, metallurgy, pharmaceutical and other industries,and is used as a terminal device for production scheduling, communication, and fire broadcasting.



