Shenzhen Sosen Electronics Co.Ltd(301002) : Changjiang Securities Company Limited(000783) underwriting recommendation Co., Ltd. letter of recommendation for Shenzhen Sosen Electronics Co.Ltd(301002) issuing convertible corporate bonds to unspecified objects (Revised Version)

Changjiang Securities Company Limited(000783) underwriting and recommendation Co., Ltd

about

Shenzhen Sosen Electronics Co.Ltd(301002) issue convertible corporate bonds to unspecified objects

of

Issuance recommendation

Sponsor (lead underwriter)

28th floor, No. 1198, Century Avenue, China (Shanghai) pilot Free Trade Zone

March, 2002

statement

Changjiang Securities Company Limited(000783) underwriting recommendation Co., Ltd. (hereinafter referred to as “the recommendation institution” or “Changjiang recommendation”) accepts the employment of Shenzhen Sosen Electronics Co.Ltd(301002) (hereinafter referred to as “the issuer”, ” Shenzhen Sosen Electronics Co.Ltd(301002) ” or “the company”) as the recommendation institution of Shenzhen Sosen Electronics Co.Ltd(301002) issuing convertible corporate bonds to unspecified objects (hereinafter referred to as “the issuance”), Issue a recommendation letter for the issuer’s issuance.

The securities law of the people’s Republic of China (hereinafter referred to as “the securities law of the people’s Republic of China”) the measures for the administration of listed companies and listed companies (hereinafter referred to as “the securities law of the people’s Republic of China)” (hereinafter referred to as “the measures for the administration of securities companies registration”) 》(hereinafter referred to as “registration management measures”), Shenzhen Stock Exchange GEM Listing Rules (hereinafter referred to as “Listing Rules”), standards for the contents and forms of information disclosure by companies issuing securities No. 27 – issuance recommendation letter and issuance recommendation report, and other relevant laws In accordance with the administrative regulations and the provisions of the China Securities Regulatory Commission (hereinafter referred to as the “CSRC”) and the Shenzhen Stock Exchange, this issuance recommendation letter is issued in strict accordance with the business rules, industry practice norms and ethical standards formulated according to law, through due diligence and careful verification, and the authenticity of the documents issued is guaranteed Accuracy and completeness.

Unless otherwise specified, the abbreviations and terms used in this issuance recommendation letter are consistent with the prospectus for Shenzhen Sosen Electronics Co.Ltd(301002) issuing convertible corporate bonds to unspecified objects.

1、 Basic information of this securities issuance (I) name of sponsor

Changjiang Securities Company Limited(000783) underwriting and recommendation Co., Ltd. (II) the sponsor representative specifically responsible for recommendation this time

According to the measures for the administration of securities issuance and listing recommendation business, the recommendation institution issues the special letter of authorization of recommendation representatives (Annex), authorizing the recommendation representatives Guo Zhongjie and Chen Huaguo to act as the recommendation representatives of Shenzhen Sosen Electronics Co.Ltd(301002) issuing convertible corporate bonds to unspecified objects and listing projects, Be specifically responsible for the due diligence recommendation and continuous supervision of Shenzhen Sosen Electronics Co.Ltd(301002) this offering.

1. Guo Zhongjie’s practice of recommendation business

Mr. Guo Zhongjie: Changjiang Securities Company Limited(000783) underwriting and recommendation Co., Ltd., managing director, recommendation representative, master of economics. He has good conduct, has the professional ability to organize and implement recommendation projects, has more than 36 months of recommendation related business experience in the last five years, has been continuously engaged in recommendation related business in the last 12 months, and has not been subject to major disciplinary actions of self regulatory organizations such as stock exchanges or administrative penalties and major administrative supervision measures of the CSRC in the last three years. She has presidepresidepresidepresidepresidepresidepresidepresidepresidepresidepresidepresideor participated or participated in or participated in or participated in or has presidepresidepresidepresidepresidepresidepresidepresidepresidepresidepresideor or participated in or participated in the first public offering of the Company Limited Limited company of the elegant integrated house, the Shenzhen V&T Technologies Co.Ltd(300484) \\\\\\\\\\\\orparticipated in or participated in or participated in or participated in or participated in or participated in the first public offering of the Company Limited company of the elegant integration of the elegant suite of the elegant integrated housing company, and the Shenzhen V&T Technologies Co.Ltd(300484) 84\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ issue shares to purchase assets Jinpu Landscape Architecture Co.Ltd(301098) IPO and gem listing projects. Have solid professional knowledge and rich experience in investment banking projects.

2. Chen Huaguo’s practice of recommendation business

Mr. Chen Huaguo: Changjiang Securities Company Limited(000783) underwriting and recommendation Co., Ltd. business director, recommendation representative, master of finance. He has good conduct, has the professional ability to organize and implement recommendation projects, has more than 36 months of recommendation related business experience in the last five years, has been continuously engaged in recommendation related business in the last 12 months, and has not been subject to major disciplinary actions of self regulatory organizations such as stock exchanges or administrative penalties and major administrative supervision measures of the CSRC in the last three years. He has served as the financial advisor sponsor of Zhejiang Century Huatong Group Co.Ltd(002602) issuing shares to buy assets project, Lancy Co.Ltd(002612) issuing shares to buy assets project, Wuhu Token Sciences Co.Ltd(300088) gem public offering convertible corporate bonds project, Zhejiang Guyuelongshan Shaoxing Wine Co.Ltd(600059) non-public offering stock project sponsor representative, Shenzhen Sosen Electronics Co.Ltd(301002) IPO and GEM Listing project sponsor representative Cangzhou Mingzhu Plastic Co.Ltd(002108) sponsor representative of non-public offering project. Have solid professional knowledge and rich experience in investment banking projects. (III) Project Co sponsors and other members of the project team of this securities issuance

The Project Co sponsor of this issuance project is Mr. Li Jian.

Mr. Li Jian: Senior Manager and master of finance of Changjiang Securities Company Limited(000783) underwriting and recommendation Co., Ltd. once participated in Zhejiang Talent Television & Film Co.Ltd(300426) non-public offering of shares, Zhejiang Talent Television & Film Co.Ltd(300426) non-public offering of corporate bonds, Wuhu Token Sciences Co.Ltd(300088) issuance of shares to purchase assets and raise supporting funds as a major project member. Once served as the co organizer of Shenzhen Sosen Electronics Co.Ltd(301002) IPO and GEM Listing project.

In addition to the sponsor representative and project coordinator, the members of the project team of this securities issuance include Mr. Fan Jiaxiang, Mr. Huang Dao, Mr. Bai Qingyu and Ms. Wang Jun. (IV) basic information of the issuer

Chinese name Shenzhen Sosen Electronics Co.Ltd(301002)

English Name: Shenzhen sosen Electronics Co., Ltd

Stock abbreviation Shenzhen Sosen Electronics Co.Ltd(301002)

Stock Code: Shenzhen Sosen Electronics Co.Ltd(301002)

Shenzhen Stock Exchange gem

Date of establishment: July 8, 2011 (limited company)

December 26, 2016 (joint stock company)

Listing date: June 7, 2021

Legal representative: Tian nianbin

The registered capital is 94.52 million yuan

Registered address: building A3, Gonghe fourth industrial zone, Shajing street, Bao’an District, Shenzhen

Tel: 075529358800

Fax No.: 075529358800

E-mail [email protected].

The general business items are: switching power supply, LED power supply, power adapter, charger, business scope, ballast, technical development and sales of LED lighting products; China’s trade, import and export of goods and technology.

The licensed business items are: the production of switching power supply, LED power supply, power adapter, charger, ballast and LED lighting products.

(V) type of securities issuance

The type of securities issued this time is convertible corporate bonds that can be converted into A-Shares of the company. These convertible corporate bonds and A-share shares to be converted in the future will be listed on the Shenzhen Stock Exchange. (VI) the securities issuance plan

1. Number of issues

The number of convertible bonds to be issued this time is no more than 3.55 million (including).

2. Face value of securities

Each face value is 100.00 yuan.

3. Issue price

The bonds are issued at face value.

4. Estimated amount of funds raised

The total amount of funds raised by convertible bonds is expected to be no more than 355 million yuan (inclusive).

5. Account for special storage of raised funds

The company has established a special storage system for the raised funds. The raised funds from the issuance of convertible bonds will be deposited in the special account determined by the board of directors. The specific account opening matters will be determined by the board of directors (or the person authorized by the board of directors) before the issuance.

6. Distribution method and object

The specific issuance method of convertible corporate bonds shall be determined by the board of directors (or the person authorized by the board of directors) and the sponsor (lead underwriter) authorized by the general meeting of shareholders of the company. The issuing objects of convertible corporate bonds this time are natural persons, legal persons, securities investment funds and other investors in compliance with the laws and regulations holding the securities account of Shenzhen Branch of China Securities Depository and Clearing Co., Ltd. (except those prohibited by national laws and regulations).

7. Underwriting method and underwriting period

This offering is underwritten by the recommendation Agency (lead underwriter) Changjiang in the form of balance underwriting. Starting and ending time of underwriting period: from mm / DD / yyyy to mm / DD / yyyy.

8. Issuance expenses

Unit: 10000 yuan

Project amount

Underwriting and recommendation fees []

Attorney fees []

Audit and capital verification fee []

Credit rating fee []

Fees for information disclosure and issuance procedures []

Total []

Note: the above issuance expenses may increase or decrease according to the actual situation of this issuance.

9. Suspension and resumption of trading during underwriting and timing of securities listing

During the issuance and underwriting of convertible bonds, the company’s shares are normally traded. In case of major emergencies or other needs, the company will negotiate with the sponsor (lead underwriter) to determine the suspension and resumption arrangements and make a timely announcement. The main schedule and suspension and resumption schedule related to this offering are shown in the table below:

Date of issue

Publish the prospectus and its abstract, issuance announcement and online roadshow announcement on T-2

MM DD YY

T-1 online roadshow; Registration date of preferential placement of shares by original shareholders

MM DD YY

T Journal publishes and issues suggestive announcements; Priority subscription date of the original shareholder (pay full amount of capital on [], month [], year); Online subscription; Determine the online winning rate

Publish the announcement of online winning rate on T + 1; Online subscription lottery

MM DD YY

Publish the announcement of online winning results on T + 2; Online investors pay subscription

MM DD YY

On T + 3 day, the lead underwriter shall determine the final placement result and the daily sales amount of [] month [] of [] year according to the online capital arrival

Publish the announcement of issuance results on T + 4; Transfer the raised funds to the issuer

Mm / DD / yyyy note: the above dates are trading days. If the relevant regulatory authorities require to adjust the above schedule or in case of major emergencies affecting the issuance, the company will timely announce and modify the issuance schedule.

10. Listing and circulation arrangement of the securities issued this time

After the issuance, the company will apply for the listing of convertible corporate bonds issued to unspecified objects in Shenzhen Stock Exchange as soon as possible, and the specific listing time will be announced separately.

11. Restrictions or commitments on the holding period of investors

Unless otherwise provided by laws and regulations, there is no holding period limit for the securities issued this time. (VII) basic terms of this convertible bond issuance

1. Bond term

The term of convertible corporate bonds issued this time is six years from the date of issuance.

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