Shanghai Keming Transmission Technology Corporation

No.23 Research Institute of China Electronics Technology Group Corporation is a professional research institute specialized in the fields of optical and electronic transmission line technology, specializing in the research, design, development and production of optical and electrical information transmission lines, connectors and optoelectronic transmission systems, which are widely used in diverse fields, including mobile communication systems, wireless digital transmission systems, cable-TV systems, security systems, etc. Some products have been exported globally. Our institute currently consists of three major components: electrical transmission, optical transmission and optical sensing. After more than 50 years of development, more than 1000 scientific research achievements have been obtained, over 300 items have reached the international advanced level, have the honour to won 350 types of scientific and technological progress awards, and more than 100 patents have been granted.
The main products in the field of electric transmission include aerospace electronic cable, microwave coaxial cable, electrical connector, flexible waveguide, RF coaxial cable, special optical cable and components, etc. The research and development department of microwave waveguide components and devices is mainly engaged in the research, design, production and sale of microwave transmission lines and microwave devices. The main products are elliptical flexible waveguide, rectangular flexible waveguide, double-ridged flexible waveguide, waveguide-cable assemblies and other microwave devices.