2.300565 —— Kexin Technology, relevance: mainly engaged in ODN products, wireless access products and physical connection equipment of transmission networks; Has a complete set of FTTX access network ODN equipment end-to-end solution.
3.002309 —— Zhongli Group, relevance: optical fiber and optical rod revenue accounted for 2%; The production capacity of 200 tons of optical rods and 6 million core kilometers of optical fibers was officially put into production at the end of 20 15; In addition, it is planned to build an annual output of 600 tons of optical fiber preform and130,000 core kilometers of optical fiber, with a construction period of 2 years.
4.002929 —— Runjian shares, relevance: mainly engaged in network construction and network maintenance, as well as a small amount of network optimization and design business; Customers are mainly China Mobile, China Unicom, China Telecom and China Tower.
5.3003 10 —— Yitong Century, Relevance: The company's antenna equipment maintains a leading position in technology and is currently continuing to follow up the 5G antenna business.
6.000586 —— Huiyuan Communication, Relevance: Providing optical communication equipment and supporting products for telecom operators, but due to the competition of competitors, the influence of the industry declined.
7.002093 —— Guomai Technology, Relevance: On the interactive platform of 5438+June 2009, the company said that giving priority to the planning and design of 5G networks will directly benefit from the scale construction of 5G networks.
8.603322 —— Super Communication, Relevance: Integrated communication technology service providers are one of the few communication technology service providers in the industry that can provide "integrated" services; Adopt the business model of directly serving communication operators without relying on equipment vendors; Research and development of 5G small base stations and NB-IOT small base stations are under way.
9.000836 —— Futong Xinmao, relevance: mainly engaged in matched cladding single-mode optical fiber, low water peak single-mode optical fiber for communication, optical cable for communication, etc. , accounting for more than 80% of the total income.
10.031-Ovi communication, relevance: provide operators with optimized coverage equipment and systems for mobile communication networks; Network coverage equipment mainly includes passive devices such as repeaters, digital optical fiber distribution systems, power splitters and combiners, indoor antennas and beautification antennas.
1 1.300050 century, relevance: fully prepared for 5g technology and personnel reserve, and carried out in-depth cooperation with leading enterprises in the industry.
12.300560 —— Zhongfutong, relevance: engaged in communication network maintenance services and communication network optimization services, mostly for communication equipment vendors; The company's business covers access network, transmission network and core network, and supports almost all domestic network mainstream standards; 17122 October,17 announced that it intends to acquire Guangzhou ojai, which is mainly engaged in communication network engineering and maintenance business; 65438+In March, 2009, it won the bid for1020,000 yuan China Mobile Transmission Pipeline Project.
13.002281-optical communication technology, relevance: the only manufacturer in China that can produce 10G and above high-end optical chips has 6 Gbps/10 Gbps/25 Gbps/50 Gbps/100 Gbps medium and short-range optical chips for 5G networks. In the future, the site density of 5G base stations in intermediate frequency and high frequency band will be several times that of 4G, and the demand for 25G low-cost optical modules in forward transmission networks is extremely strong.
14.603602- vertical and horizontal communication, relevance: mainly engaged in base station installation engineering services, indoor distribution system technical services, integrated access technology services and network maintenance services; Customers are mainly three major telecom operators and tower companies.
15.3004 14 —— Zhongguang lightning protection, related: its subsidiary, Pan Weitai Technology, independently developed single-carrier and dual-carrier aggregation aggregation small station products, and has obtained the qualification of small base station supplier of ZTE Small Station; We have obtained the supplier qualification of Ericsson magnetic components and started mass production.