688026: recommendation letter of Minsheng Securities Co., Ltd. on Guangzhou Jet Bio-Filtration Co.Ltd(688026) issuing convertible corporate bonds to unspecified objects

Minsheng Securities Co., Ltd

About Guangzhou Jet Bio-Filtration Co.Ltd(688026) issuing convertible corporate bonds to unspecified objects

of

Issuance recommendation

Sponsor (lead underwriter)

(No. 8, Puming Road, China (Shanghai) pilot Free Trade Zone)

February, 2002

Statement

Minsheng Securities Co., Ltd. (hereinafter referred to as “the sponsor” or “Minsheng securities”) accepts the employment of Guangzhou Jet Bio-Filtration Co.Ltd(688026) (hereinafter referred to as “the issuer”, “688026}” or “the company”) as the sponsor of Guangzhou Jet Bio-Filtration Co.Ltd(688026) issuing convertible corporate bonds to unspecified objects (hereinafter referred to as “the issuance”), and issues this issuance recommendation letter for the issuer’s issuance.

The recommendation institution and the recommendation representative shall, 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”), the measures for the administration of securities issuance and listing recommendation business (hereinafter referred to as the “measures for the administration of recommendation”) and the measures for the administration of securities issuance and registration of companies listed on the science and Innovation Board (for Trial Implementation) 》(hereinafter referred to as the “registration management measures”), the Listing Rules of Shanghai Stock Exchange’s science and Innovation Board (hereinafter referred to as the “Listing Rules”), the 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 Shanghai Stock Exchange, this issuance recommendation letter is issued in strict accordance with the business rules, industry practice norms and ethical standards formulated in accordance with the 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 Guangzhou Jet Bio-Filtration Co.Ltd(688026) prospectus for issuing convertible corporate bonds to unspecified objects.

catalogue

Declare that 0 Directory Section 1 basic information of this securities issuance two

1、 Name of sponsor two

2、 Information of the sponsor representative designated by the sponsor two

3、 The co sponsor of this securities issuance project and its project team members two

4、 Basic information of the issuer two

5、 The type of securities issued this time three

6、 The securities issuance plan three

7、 The latest equity structure of the issuer and the top ten shareholders fourteen

8、 Statement of the issuer’s previous fund-raising, cash dividends and changes in net assets fourteen

9、 Main financial data and financial indicators of the issuer Section II related relationship between the sponsor and the issuer Section III internal audit procedures and core opinions of recommendation institutions twenty

1、 Description of internal audit procedure twenty

2、 Core opinion description Section IV commitments of the sponsor Section V verification of relevant behaviors such as paid employment of third-party institutions and individuals twenty-three

1、 Verification of the sponsor’s paid employment of a third party and other related acts twenty-three

2、 Verification of the issuer’s paid employment of a third party and other related acts Section VI recommendation on this securities offering twenty-four

1、 The decision-making procedures of the Issuer on this securities issuance twenty-four

2、 This securities issuance meets the issuance conditions stipulated in the securities law twenty-five

3、 The conditions for the issuance of securities in accordance with the provisions of the measures for the administration of securities registration 26 IV. this issuance complies with the special provisions on the issuance and underwriting of convertible bonds in the refinancing measures of the science and innovation board thirty

5、 Main risks of the issuer thirty-six

6、 Prospect evaluation of the issuer forty-one

Section 1 basic information of this securities issuance

1、 Name of sponsor

Minsheng Securities Co., Ltd. II. Information of the sponsor representative designated by the sponsor

(I) name of sponsor representative

Blue sky, Lu Jingfang

(II) practice of recommendation business of recommendation representative

Mr. Lantian has presided over or participated in initial public offering and listing projects such as Guangdong Jushen Logistics Company Limited(001202) (001202), Guangzhou Jet Bio-Filtration Co.Ltd(688026) (688026), Sino-Agri Leading Biosciences Co.Ltd(603970) (603970), Super Telecom Co.Ltd(603322) (603322), major asset restructuring projects such as Baode shares (300023), Guangdong Kingstrong Technology Co.Ltd(300629) (300629), and non-public offering projects such as Guangdong Dowstone Technology Co.Ltd(300409) (300409).

Ms. Lu Jingfang has presided over or participated in Unionman Technology Co.Ltd(688609) (688609), Guangzhou Jet Bio-Filtration Co.Ltd(688026) (688026), Super Telecom Co.Ltd(603322) (603322), Shenzhen Senior Technology Material Co.Ltd(300568) (300568), Xinghe Biology (300143), Guangzhou Friendship (000987), Shengyi Technology Co.Ltd(600183) (600183) and other initial public offering and listing projects, Guangdong Jingyi Metalco.Ltd(002295) (002295), Changhang oil transportation (600087) and other non-public offering projects. 3、 Co sponsors of this securities issuance project and members of its project team

(I) Project Co sponsors and other project team members

Project Co organizer: Shang Shulei

Other project team members: Chen Sijie, Chen Cheng, Yao Qing, Chu YeFan

(II) practice of the sponsor of the project

Mr. Shang Shulei has participated in IPO and listing projects such as Guangzhou Jet Bio-Filtration Co.Ltd(688026) (688026), Unionman Technology Co.Ltd(688609) (688609) and Shenzhen Lihexing Co.Ltd(301013) (301013). 4、 Basic information of the issuer

Chinese Name: Guangzhou Jet Bio-Filtration Co.Ltd(688026)

English Name: Guangzhou jet biofiltration Co., Ltd

Stock abbreviation: Guangzhou Jet Bio-Filtration Co.Ltd(688026)

Stock Code: 688026

Place of listing: Shanghai Stock Exchange

Registered capital: 100 million yuan

Legal representative: Yuan Jianhua

Secretary of the board of directors: Chen Changxi

Date of establishment: November 7, 2014

Registered address: No. 1, doutang Road, Yonghe Economic Zone, Guangzhou Economic and Technological Development Zone

Office address: No. 1, doutang Road, Yonghe Economic Zone, Guangzhou Economic and Technological Development Zone

Postal Code: 511356

Tel: 020-32811888

Fax No.: 020-32811888-802

Internet address: http://www.jetbiofil.com.

Email: [email protected].

Unified social credit Code: 91440116728198443m

Plastic film manufacturing; Made of plastic products for medical and health use; Preparation of biodegradable plastic products; Experimental analysis instrument system; Preparation of drug detection instruments; Foam plastics; Made of daily plastic products; Mould making; New material technology development services; Biotechnology development services (rare and unique precious and fine varieties in China, except for the development of wildlife and plant resources protected by the state and originating in China); Manufacturing of chemical reagents and additives (except for MCCs and hazardous chemicals); Sales of chemical reagents and additives (except for MCCs and hazardous chemicals); Drug research and development (business scope of human stem cells and basic drugs: except for diagnosis and treatment technology); Operation of non licensed medical devices; Retail of medical supplies and equipment (excluding drugs and medical devices); Sell the products produced by the company (except for the items prohibited by national laws and regulations; the products involving licensed operation can be operated only after obtaining the license); Mold design and manufacture of non-metallic products; Manufacturing of ordinary labor protection articles; House leasing; Site leasing (excluding warehousing); Technology import and export; Air pollution control; Import and export of goods (excluding goods involving special administrative provisions on foreign capital access and licensing approval); Development and production of new diagnostic reagents; Manufacturing of medical laboratory equipment and instruments; Manufacturing of special labor protection articles

5、 Type of securities issuance

The type of securities issued this time is convertible corporate bonds that can be converted into RMB common shares (A shares) of the company.

The convertible bonds and A-share shares to be converted in the future will be listed on the Shanghai Stock Exchange. 6、 The securities issuance plan

(I) issued quantity

The number of convertible bonds to be issued this time is no more than 4.4 million.

(II) par value of securities

Each face value is 100.00 yuan.

(III) issue price

The convertible corporate bonds issued this time are issued at par value.

(IV) estimated amount of funds raised and net amount of funds raised

The amount of funds raised by the convertible bonds is expected to be no more than 440 million yuan (including), and the net amount of funds raised after deducting the issuance expenses is expected to be [] million yuan.

(V) special deposit account of raised funds

The company has formulated the management system of raised funds. The raised funds of this issuance of convertible bonds will be deposited in the special account decided by the board of directors. The specific account opening matters will be determined by the board of directors before the issuance, and the account opening information will be disclosed in the issuance announcement.

(VI) issuance method and object

This is the issuance of convertible corporate bonds to unspecified objects.

The convertible corporate bonds issued this time are subject to priority placement to the existing shareholders of the company, and the existing shareholders have the right to waive the priority placement right. The specific proportion of preferential placement to existing shareholders shall be determined by the board of directors authorized by the general meeting of shareholders (or the person authorized by the board of directors) through consultation with the sponsor (lead underwriter) according to the market conditions before this issuance, and shall be disclosed in the issuance announcement of convertible corporate bonds. The balance other than the preferential placement enjoyed by the existing shareholders and the part that the existing shareholders give up the preferential placement and after-sales shall be sold to institutional investors offline and / or through the online pricing issuance of the trading system of Shanghai Stock Exchange, and the balance shall be underwritten by the underwriter. (VII) underwriting method and underwriting period

This offering is underwritten by the recommendation institution (lead underwriter) Minsheng securities in the form of balance underwriting. The starting and ending time of the underwriting period: from [] mm / DD / yyyy to [] mm / DD / yyyy.

(VIII) issuance expenses

The total cost of this offering is expected to be [] million yuan, including:

Project amount

Underwriting and recommendation fees []

Project amount

Attorney fees []

Audit and capital verification expenses []

Credit rating fee []

Fees for information disclosure and issuance procedures []

Total []

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

(IX) suspension and resumption of trading and timing of securities listing during underwriting

The main schedule and suspension and resumption schedule of this offering are shown in the table below:

Date of issue

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

MM DD YY

Registration date of T-1 online roadshow and preferred placement of shares by former A-share shareholders

MM DD YY

T publish suggestive announcement of issuance; The preferred placement and Subscription Date of the original A-share shareholders; Offline and online subscription date

T + 1 publishes the announcement of online winning rate and offline issuance and placement results; Lottery for online purchase

T + 2 publishes the announcement of lottery results of online subscription; The online investor shall pay the payment on [] mm / DD / yyyy according to the winning result; Offline investors pay according to the placement results; Capital verification of online and offline accounts

T + 3 confirms the final placement result according to the arrival of funds online and offline

MM DD YY

T + 4 publish the issuance results

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