Harbin Welding Huatong: China Securities Co.Ltd(601066) letter of recommendation on the initial public offering and listing on the gem of Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd

China Securities Co.Ltd(601066)

about

Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd. issued shares for the first time and was listed on the gem

of

Issuance recommendation

Sponsor

Statement of recommendation institution and recommendation representative

China Securities Co.Ltd(601066) and the sponsor representatives of the project, Chen Qiang and Zhao Liang, are honest, trustworthy, diligent and conscientious in accordance with the company law of the people's Republic of China, the securities law of the people's Republic of China and other relevant laws and regulations, the relevant provisions of the CSRC and the relevant business rules of Shenzhen Stock Exchange The issuance recommendation letter shall be issued in accordance with the industry practice norms and code of ethics, and the authenticity, accuracy and integrity of the issuance recommendation letter shall be guaranteed.

catalogue

interpretation...... Section 1 basic information of this securities issuance five

1、 The sponsor representative specifically responsible for the recommendation of this securities issuance five

2、 The sponsor of this securities issuance project and other members of the project team five

3、 Basic information of the issuer six

4、 Description of the relationship between the sponsor and the issuer six

5、 Internal audit procedures and core opinions of the recommendation institution seven

6、 The sponsor's verification of the filing of private investment funds Section 2 commitments of the sponsor Section III verification of paid employment of third-party institutions and individuals thirteen

1、 Verification of the sponsor's paid employment of a third party and other related acts thirteen

2、 Verification of the issuer's paid employment of a third party and other related acts 13 Section IV recommendations for this offering fifteen

1、 The decision-making procedure of the Issuer on this issuance is legal fifteen

2、 This offering complies with relevant laws and regulations fifteen

3、 Issuer's main risk tips twenty

4、 Evaluation of the development prospect of the issuer twenty-six

5、 Verification of main business conditions after the audit deadline twenty-six

6、 Recommendation conclusion of the recommendation institution on this securities issuance twenty-seven

interpretation

In this issuance recommendation letter, unless the context otherwise requires, the following words or abbreviations have the following meanings: 1. Generally, the sponsor, lead underwriter, refers to China Securities Co.Ltd(601066) China Securities Co.Ltd(601066) securities issuer, the company, the company, refers to Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd., and Harbin Welding Huatong

Xiehe investment refers to Changzhou Xiehe equity investment center (limited partnership)

Hengtong investment refers to Changzhou Hengtong Investment Development Co., Ltd

Harbin Welding Institute refers to Harbin Welding Research Institute Co., Ltd., which is the controlling shareholder of the company

China National Academy of machinery group refers to China National Academy of Mechanical Sciences Group Co., Ltd., which is the actual controller of the company

Weir company refers to Harbin weir welding Co., Ltd., which is a wholly-owned subsidiary of the issuer

CSRC and CSRC refer to the China Securities Regulatory Commission

Shenzhen stock exchange refers to Shenzhen Stock Exchange

National Bureau of statistics means the National Bureau of statistics of the people's Republic of China

Company Law refers to the company law of the people's Republic of China

Securities Law refers to the securities law of the people's Republic of China

Articles of association / articles of association refers to the articles of association of Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd

This issuance refers to the initial public offering and listing of RMB common shares by Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd

The issuance recommendation letter refers to China Securities Co.Ltd(601066) the issuance recommendation letter on the initial public offering of shares and listing on the gem of Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd

The general meeting of shareholders refers to the general meeting of shareholders of Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd

The board of directors refers to the board of directors of Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd

The board of supervisors refers to the board of supervisors of Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd

The last three years and the reporting period refer to 2018, 2019, 2020 and January June 2021

Yuan and 10000 yuan refer to RMB yuan and 10000 yuan unless otherwise specified

2、 Professional interpretation

By heating or pressurizing, or both, and with or without filler materials, the welding refers to a processing method in which the welded parts (the same or different materials) achieve the combination between atoms or molecules to form a permanent connection

A welding method for melting the base metal to be welded to form a weld. Because the welded parts are closely attached together, under the action of temperature field, gravity, etc., the molten liquid melted by the two fusion welding refers to the workpiece will be mixed. After the temperature decreases, the melting part condenses, and the two workpieces are firmly welded together to complete the welding (unless otherwise specified in this issuance recommendation, "welding" refers to fusion welding)

The abbreviation of fusion welding materials refers to the general name of materials consumed in fusion welding. Fusion welding materials refer to, for example, welding rods, welding wires, metal powders, fluxes, gases, etc. (unless otherwise specified in this issuance recommendation, "welding materials" refer to fusion welding materials)

Welding wire refers to the welding material used as filler metal or conductive wire at the same time

Electrode refers to the coated melting electrode for manual arc welding, which melts the metal strip filled in the joint of the welded workpiece during gas welding or electric welding

Flux refers to a granular material that can melt to form slag and gas during welding and play a role in protecting and metallurgical treatment of molten metal

Welding strip refers to the welding strip, which is not only used as filler metal but also conducts current. It is generally in coil shape and is usually used for submerged arc welding and electroslag welding

Flux cored wire refers to a kind of welding wire made by rolling thin steel strip into a circular steel pipe and filling it with a certain amount of powder

Wire rod, also known as wire rod, usually refers to small-diameter round steel in coils

Submerged arc welding refers to a method in which the arc burns under the flux layer for welding. Submerged arc welding wire and flux are used together

Electroslag welding refers to a welding method that uses the resistance heat generated by the current passing through the slag as the heat source to melt the filler metal and the base metal and form a firm connection between metal atoms after solidification

English: classification society, or ship survey Association, sometimes referred to as ship survey and classification society, is an organization that establishes and maintains relevant technical standards for the construction and operation of ships and offshore facilities

Note: there are differences in the mantissa of the sum of partial totals and itemized values in this issuance recommendation letter. These differences are due to rounding

Section 1 basic information of this securities issuance

1、 The sponsor representative specifically responsible for the recommendation of this securities issuance

China Securities Co.Ltd(601066) securities designated Chen Qiang and Zhao Liang as the sponsor representatives of Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd. for its initial public offering and listing on the gem.

The practice of the above two sponsor representatives is as follows:

Mr. Chen Qiang: sponsor representative, non certified public accountant, master's degree, now senior vice president of China Securities Co.Ltd(601066) securities investment banking department. He has presided over or participated in Shenzhen Kangtai Biological Products Co.Ltd(300601) IPO, rongzhilian IPO, Beijing Tieke Shougang Railway-Tech Co.Ltd(688569) IPO, non-public offering of Tianhua academy, major asset restructuring of Tianhua academy, Iat Automobile Technology Co.Ltd(300825) new third board, etc. As the sponsor representative, the items recommended due diligence now include: none. During the practice of recommendation business, we strictly abide by the measures for the administration of securities issuance and listing recommendation business and other relevant provisions, and have a good practice record.

Mr. Zhao Liang: the sponsor representative is Mr. Zhao. Mr. Zhao Liang: Mr. Zhao is the sponsor representative, with a master'degree, now the director of the investment bank of 601 China Securities Co.Ltd(601066) \\\\\\\\\\\\\\\\\\\\mr. Zhao. Mr. Zhao. Mr. Zhao. Mr. Zhao. Mr. Zhao Liang. Mr. Zhao Liang is the sponsor representative. Mr. Zhao is the sponsor representative. Mr. Zhao is the master. Now, the incumbent director of the Department of the China Pacific Insurance (Group) Co.Ltd(601601) China Pacific Insurance (Group) Co.Ltd(601601) 601060606066of the six\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\nonpublic offering, non-public offering of Tianhua academy Liyuan refining non-public offering, North Chemical Industries Co.Ltd(002246) issuing shares to purchase assets, Tianhua academy issuing shares to purchase assets, Hubei Yihua Chemical Industry Co.Ltd(000422) major asset restructuring, corporate bonds of Ordnance Group, etc. As the sponsor representative, the items recommended due diligence now include: none. During the practice of recommendation business, we strictly abide by the measures for the administration of securities issuance and listing recommendation business and other relevant provisions, and have a good practice record. 2、 Co sponsors of this securities issuance project and other members of the project team (I) Co sponsors of this securities issuance project

The original co sponsor of this securities issuance project has resigned, and there is no co sponsor of this project. (II) other members of the securities issuance project team

Other members of the securities issuance project team include Zheng Jinran, Yang Zhikai and Li Beili.

Mr. Zheng Jinran: sponsor representative, non practicing certified public accountant, master's degree, now vice president of China Securities Co.Ltd(601066) securities investment banking department, presided over or participated in the following projects: Anshan Hifichem Co.Ltd(300758) initial public offering, initial public Development Bank of Tibet Yun high tech energy Co., Ltd. and other IPO projects, as well as restructuring guidance of several companies to be listed, Sinosteel New Materials Co.Ltd(002057) non-public offering, China Yangtze Power Co.Ltd(600900) corporate bonds, Jackie Chan construction corporate bonds, Suqian urban investment corporate bonds and other financing projects, Cangzhou Dahua Co.Ltd(600230) equity transfer and other financial consulting projects.

Mr. Yang Zhikai: sponsor representative, CFA (Chartered Financial Analyst), master's degree, now vice president of China Securities Co.Ltd(601066) securities investment banking department. He has presided over or participated in: Beijing Tieke Shougang Railway-Tech Co.Ltd(688569) IPO, Anhui Jinchun Nonwoven Co.Ltd(300877) IPO, restructuring guidance of enterprises to be listed such as Yangli group, Traffic Control Technology Co.Ltd(688015) issuance to specific objects, non-public offering of Tianhua academy, Chongqing Changan Automobile Company Limited(000625) non-public offering, major asset restructuring of Tianhua Academy, Jiangling Motors Corporation Ltd(000550) equity acquisition and other projects.

Ms. Li Beili: with a master's degree, she is now the vice president of China Securities Co.Ltd(601066) securities investment banking department. She has presided over or participated in the following projects: Baiyin Nonferrous Group Co.Ltd(601212) IPO, Beijing Tieke Shougang Railway-Tech Co.Ltd(688569) IPO, Traffic Control Technology Co.Ltd(688015) issuance to specific objects, private offering of Baoshuo shares, Net263 Ltd(002467) non-public Development Bank, Baiyin Nonferrous Group Co.Ltd(601212) issuance of shares to purchase assets, listing of Hengxin Xili new third board Take charge of the world's new third board listing, etc. 3、 Basic information of the issuer

Company name: Harbin Welding Institute Huatong (Changzhou) welding industry Co., Ltd

Registered address: Yaoguan Town, Wujin District, Changzhou City

Date of establishment: May 30, 1997

Registered capital: 136.36 million yuan

Legal representative: Yang Yuting

Secretary of the board of directors: Ding Jinhong

Tel.: 051988710806

Internet address: www.htw.com cn.

The company is a high-tech enterprise specializing in the R & D, production and sales of all kinds of fusion welding materials. At present, its main products include all kinds of carbon steel welding wires, low alloy steel welding wires, stainless steel welding wires, aluminum alloy welding wires, nickel base welding wires, flux cored welding wires, special welding rods, welding flux Hundreds of varieties of welding strips and other series

Type of this securities issuance: initial public offering of common shares and listing on GEM IV. description of the relationship between the sponsor and the issuer

As of the signing date of the offering sponsor:

(I) the sponsor or its controlling shareholder, actual controller or important related party does not hold shares of the issuer or its controlling shareholder, actual controller or important related party;

(II) the issuer or its controlling shareholders, actual controllers and important related parties do not hold shares of the recommendation institution or its controlling shareholders, actual controllers and important related parties;

(III) the recommendation representative of the recommendation institution and his / her spouse, directors, supervisors and senior managers

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