Sichuan Tianyi Comheart Telecom Co.Ltd(300504) : annual report for 2021

Sichuan Tianyi Comheart Telecom Co.Ltd(300504) : important tips, contents and definitions in section I of the 2021 Annual Report

The board of directors, the board of supervisors and the directors, supervisors and senior managers of the company guarantee that the contents of the annual report are true, accurate and complete without false records, misleading statements or major omissions, and bear individual and joint legal liabilities.

Li Shihong, the person in charge of the company, Liu Xiong, the person in charge of accounting, and Liao Minjiang, the person in charge of the accounting organization (Accounting Supervisor), declare that they guarantee the authenticity, accuracy and completeness of the financial report in this annual report.

All directors have attended the meeting of the board of directors to consider this report.

The company is faced with risks such as product price decline or fluctuation, market competition, technology research and development, raw material procurement, raised project implementation, enterprise management and so on. Investors are kindly requested to carefully read the full text of this annual report and pay special attention to the relevant elaboration of “Xi. Prospect of the company’s future development” (III) possible risks faced by the company “in Section III:” management discussion and analysis “.

The company’s profit distribution plan reviewed and approved by the board of directors is: taking 273091000 as the base, distribute cash dividends of 2.00 yuan (including tax) to all shareholders for every 10 shares, give bonus shares of 0 shares (including tax), and transfer capital reserve to all shareholders for every 10 shares.

catalogue

Section I important tips, contents and definitions Section 2 company profile and main financial indicators Section III Management Discussion and Analysis Section IV corporate governance Section V environmental and social responsibility Section VI important matters Section VII changes in shares and shareholders Section VIII preferred shares Section 9 relevant information of bonds 73 section x financial report seventy-four

Directory of documents for future reference

(I) financial statements with the signatures and seals of the person in charge of the company, the person in charge of accounting work and the person in charge of the accounting organization (the person in charge of Accounting). (II) originals of all company documents and announcements publicly disclosed on the website designated by the CSRC during the reporting period. (III) original copy of 2021 annual report signed by the chairman. (IV) the place where the above documents for reference are kept: the office of the board of directors of the company.

interpretation

Explanatory item refers to the explanatory content

The company, Sichuan Tianyi Comheart Telecom Co.Ltd(300504) refers to Sichuan Tianyi Comheart Telecom Co.Ltd(300504)

Tianyi group refers to Sichuan Tianyi Group Co., Ltd

Xinyi investment refers to Chengdu Xinyi investment partnership (limited partnership)

Tiansheng investment refers to Chengdu Tiansheng investment partnership (limited partnership)

Chengdu Renxiang refers to Chengdu Renxiang enterprise management center (limited partnership)

Chengdu Kangqiang refers to Chengdu Kangqiang enterprise management center (limited partnership)

Guoheng Hongyi refers to Chengdu Guoheng Hongyi investment partnership (limited partnership)

The reporting period refers to the period from January 1, 2021 to December 31, 2021

Financial statements refer to the consolidated and parent company’s balance sheet at the end of the reporting period, the consolidated and parent company’s income statement, cash flow statement, statement of changes in shareholders’ equity and notes to relevant financial statements during the reporting period

Ministry of finance means the Ministry of finance of the people’s Republic of China

MIIT refers to the Ministry of industry and information technology of the people’s Republic of China

CSRC refers to the China Securities Regulatory Commission

Optical communication refers to a communication mode with light wave as the transmission medium. It has the advantages of transmission frequency bandwidth, large communication capacity and strong anti electromagnetic interference ability.

Home gateway refers to the interface unit equipment between home network and external network.

The utility model relates to a broadband network access device, which is used to provide a user end interface for an optical access network. The optical fiber access terminal device refers to providing users with multiple service interfaces such as data Internet access, video, voice and so on. The home gateway (commonly known as “optical cat”) promoted by communication operators is a common optical fiber access terminal equipment.

LTE / fourth generation digital cellular mobile communication services refer to voice, data and multimedia services provided by LTE / fourth generation digital cellular 4G mobile communication networks (including TD-LTE and fdd-lte).

5g refers to the fifth generation mobile phone communication standard, also known as the fifth generation mobile communication technology.

Refers to long term evolution technology. It is the long-term evolution of LTE standard of general mobile communication system technology.

Passive optical network refers to passive optical network. The network is characterized by only PON passive equipment outdoors, and the signal processing function is completed in the equipment room and user’s house.

Ethernet PON, short for Ethernet passive optical network, is a new type of optical fiber access EPON finger network technology. It adopts point to multipoint structure and passive optical fiber transmission to provide a variety of services on Ethernet.

GPON refers to the abbreviation of Gigabit capable PON, which is based on ITU-TG 984. X standard

The new generation broadband passive optical integrated access standard has many advantages, such as high bandwidth, high efficiency, large coverage, rich user interfaces and so on. It is regarded by most operators as an ideal technology to realize the broadband and comprehensive transformation of access network services.

Planar lightwave circuit splitter is a kind of integrated waveguide optical power distribution device based on quartz substrate. It is an optical fiber junction device with multiple input terminals and multiple output terminals.

Interactive personality TV. Using broadband network, IPTV IPTV refers to the set-top box as the interface between TV and broadband network, which is used to receive digital TV programs, and has the functions of broadcast, on-demand and interactive multimedia applications.

The new dual intelligent architecture system is adopted to realize the three in one function, namely intelligent gateway access, intelligent 4K set-top box and commercial wireless WiFi function. It can meet the needs of hotels, small and medium-sized shops, single broadband integrated terminal pointing dormitories and families, provide ordinary broadband Internet service, WiFi certified broadband Internet service, 4K UHD IPTV service and telephone communication service, and provide diversified Internet value-added services.

The uplink and downlink amplification link is composed of RF duplexer, low-noise amplifier, mixer, filter, power amplifier and other element repeater devices or modules. It is an important part of the wireless communication system and mainly completes the relay and forwarding of wireless signals between the base station and the terminal.

It mainly includes combiner, power divider, coupler and other mobile communication indoor distribution system components. Passive components refer to the signal distribution network suitable for various indoor scenes through cooperation with other types of equipment to complete the functions of signal amplification, optimization, resource allocation and so on, To meet the needs of indoor distribution construction.

According to the transmission power, it is divided into mirco site and Pico site. According to the equipment type, small base stations are divided into integrated small base stations and distributed small base stations; Its function is that operators provide wireless access for commercial terminals supporting 3GPP protocol, and can provide users with 5g access points for voice and data services.

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