Yidong Electronics: China Merchants Securities Co.Ltd(600999) listing recommendation letter on the company’s initial public offering and listing on the gem

China Merchants Securities Co.Ltd(600999) about the IPO of Yidong Electronic Technology Co., Ltd. and its listing on the gem

of

Listing recommendation

Sponsor (lead underwriter)

No. 111, Fuhua 1st Road, Futian street, Futian District, Shenzhen

China Merchants Securities Co.Ltd(600999)

About the IPO of Yidong Electronic Technology Co., Ltd

A letter of recommendation for listing on the gem

Shenzhen Stock Exchange:

Yidong Electronic Technology Co., Ltd. (hereinafter referred to as “Yidong Electronics”, “issuer” or “company”) intends to apply for IPO and listing on GEM (hereinafter referred to as “this securities offering” or “this offering”), And has hired China Merchants Securities Co.Ltd(600999) (hereinafter referred to as ” China Merchants Securities Co.Ltd(600999) “) as the sponsor of IPO and listing on GEM (hereinafter referred to as “sponsor” or “this sponsor”). In accordance with the company law of the people’s Republic of China (hereinafter referred to as the “company law”), the securities law of the people’s Republic of China (hereinafter referred to as the “Securities Law”), and the measures for the administration of the registration of initial public offerings on the gem (for Trial Implementation) (hereinafter referred to as the “measures for the administration of the registration of initial public offerings on the gem”) The measures for the administration of securities issuance and listing recommendation business (hereinafter referred to as the “measures for the administration of recommendation”) Relevant laws and administrative regulations such as the Shenzhen Stock Exchange gem stock issuance and listing review rules (hereinafter referred to as “gem stock issuance and listing review rules”) and the Shenzhen Stock Exchange gem stock listing rules (hereinafter referred to as “gem stock listing rules”) In accordance with the provisions of China Securities Regulatory Commission (hereinafter referred to as “CSRC”) and Shenzhen Stock Exchange (hereinafter referred to as “Shenzhen Stock Exchange”), the recommendation institution and its recommendation representatives are honest, trustworthy, diligent and responsible, issue this listing recommendation letter in strict accordance with the business rules, industry practice norms and ethical standards formulated according to law, and ensure the authenticity and Accuracy and completeness.

Unless otherwise specified in this listing recommendation letter, relevant terms have the same meaning as in the prospectus of Yidong Electronic Technology Co., Ltd. for initial public offering and listing on GEM (Registration draft). 1、 Overview of the issuer (I) basic information of the issuer

Company name: Yidong Electronic Technology Co., Ltd

English Name: Yidong Electronics Technology Co, LTD.

The registered capital is 175.2 million yuan

Legal representative: Deng Yuquan

Date of establishment of the company: May 14, 1997

Date of incorporation: December 30, 2019

Address: Tongsha science and Technology Industrial Park, Dongcheng District, Dongguan City

Postal Code: 523127

Tel: 086-769-38830828

Fax: 086-769-38830829

Internet address http://www.yidong.com.cn.

E-mail [email protected].

Office of the board of directors responsible for information disclosure and investment

Department of investor relations

Department head Xie Zhang

Department Tel.: 086-769-38830828

Production, sales and R & D of electronic connectors, clocks, electronic connectors, plastic products and iron frames

(LCM), electronic components, molds and spare parts, flexible circuit substrate, mechanical equipment

Business scope automation equipment and its spare parts; Technical development and consultation of software; Import and export of goods

Technology import and export; Electroplating processing. (projects subject to approval according to law shall be approved by relevant departments

Business activities only)

(II) main business of the issuer

The company is mainly engaged in the research of precision electronic components such as FPC, connector components and LED backlight modules

Distribution, production and sales. The company adheres to independent innovation, always customer-oriented, product R & D and design

And the whole process comprehensive supporting production mode as the core to provide precision electronic parts and components for downstream customers. company

The products are mainly used in consumer electronics, communications, new energy, automotive electronics, industry and medical treatment,

Customer groups mainly include xinnengde, Sunwoda Electronic Co.Ltd(300207) , Byd Company Limited(002594) , Goertek Inc(002241) , Contemporary Amperex Technology Co.Limited(300750) , Amphenol and mo

Shi, Tyco, Shentai, Luxshare Precision Industry Co.Ltd(002475) , Tianma microelectronics, Guangdong Goworld Co.Ltd(000823) and other well-known enterprises at home and abroad.

The company’s products mainly include FPC, connector components and LED backlight modules. During the reporting period,

The composition of the company’s main business income is as follows:

Unit: 10000 yuan

January September 2021 2019 2018

project

Amount proportion amount proportion amount proportion amount proportion

FPC 42,324.55 40.95% 44,710.00 38.76% 45,962.98 44.47% 40,077.52 41.04%

Connector 43950.05 42.52% 51855.27 44.96% 41248.93 39.91% 44335.03 45.39% parts and components

Led back 14526.19 14.06% 15190.28 13.17% 13874.09 13.42% 11515.00 11.79% optical module

Others 2550.45 2.47% 3592.94 3.11% 2259.66 2.19% 1738.02 1.78%

Total 103351.24 100.00% 115348.49 100.00% 103345.65 100.00% 97665.57 100.00%

(III) core technology of the issuer

The issuer attaches great importance to technological innovation, which is an important embodiment of the company’s core competitiveness.

After many

Through R & D and innovation in, we have mastered a series of core technologies, including FPC, connector components and led

Backlight module field. The main core technologies of the company are as follows:

Application product serial number and technical name mainly correspond to the source of patented technology

1 digital and mobile phone battery protection board FPC development technology zl201711340428.0 own technology

2. A flexible circuit bridging process zl201711315347.5 self owned technology zl201920082148.2

ZL201920082231. X

ZL201920082233.9

ZL201920082234.3

3. Independent research and development of circuit board production automation equipment technology zl201920082449.5 self owned technology zl201920082541.1

FPC ZL201920082545. X

ZL201920082562.3

4 digital and mobile phone peripheral FPC technology zl202020075032.9 self owned technology

5 three dimensional plastic coated FPC connector with sealing ring zl2018201411922.8 self owned technology zl201920082458.4

6. Flexible circuit with overcurrent protection and manufacturing process zl201711289218.3 own technology

7. A flexible circuit board zl201711316197 X own technology

8 FPC acquisition module zl202020072733.7 self owned technology of a new power battery

ZL200910308703. X

ZL201310235343.1

ZL201220655861. X

ZL201720145605.9

9. Precision die development technology zl201720145603 X own technology zl201721781180.7

ZL201820831275.3

ZL201821746894.9

Connector zero zl201820737026.8

Assembly zl201822092750.2

10. Production technology for flexible assembly of SFP components zl201010600557.0 self owned technology zl201721600780.9

11 high speed stamping and full-automatic continuous injection molding technology of SFP signal row needle zl201820831275.3 self owned technology zl20182221850.9

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