What communication equipment concept stocks are there?

Ding Tong Interconnect (00249 1): Starting from cables, it has developed into a full product line manufacturer of photoelectric cables, and now it has the integrated production capacity of rods, fibers and cables. Thanks to the high prosperity of optical communication, the company's traditional optical cable business has grown rapidly.

Fiberhome Communication (600498): mainly engaged in research and development, production and sales of optical fiber communication equipment and systems, optical access network equipment, optical fibers, optical cables and cables.

Starnet Ruijie (002396): the leading provider of ICT application solutions in China. Based on the core advantages of enterprise-level network technology and customer resources, the company exerts the synergy effect, continuously implements the strategy of "trinity of software, hardware and services", and continues to expand emerging fields such as 4G and software services through endogenous+extension.

Shengyang Technology (603703): The company is a leading enterprise specializing in RF cable business in China. Its products are widely used in cable TV, satellite TV, fixed network and other fields, and exported to Europe and North America. The technical barriers and technological requirements of RF cables are high, and the industry demand continues to grow.

Zhongtian Technology (600522): Manufacture and sales of optical fiber and cable materials, design, installation and construction of optical fiber and cable monitoring and management system and network engineering.

ZTE (000063): ZTE will further focus on services such as operators, government enterprises and consumers in the future. In terms of operator services, the 5G R&D layout has become the key direction of the company. The company's current 5G technology level is leading the world. In 5G technology, there are many patents on key technologies of 5G, such as ultra-dense network, integrated software-defined network, orthogonal frequency division multiplexing waveform, multi-user access and so on.