Zhejiang HENGWEI: China Merchants Securities Co.Ltd(600999) letter of recommendation for the company’s initial public offering and listing on the gem

China Merchants Securities Co.Ltd(600999)

about

Zhejiang HENGWEI Battery Co., Ltd. made an initial public offering and was listed on the gem

of

Listing recommendation

Sponsor (lead underwriter)

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

catalogue

1、 Basic information of the issuer 4 II. Basic information of this securities issuance 16 III. introduction to the sponsor, sponsor representative and project team members 17 IV. relationship between the sponsor and the issuer 18 v. the sponsor promises that VI. The issuer has fulfilled the decision-making procedures stipulated in the company law, the securities law and the China Securities Regulatory Commission and Shenzhen stock exchange with respect to this securities issuance VII. The sponsor’s statement that the issuer meets the conditions for listing on the gem 21 VIII. Work arrangement during the continuous supervision of the company twenty-three

Statement

Zhejiang HENGWEI Battery Co., Ltd. (hereinafter referred to as the “issuer”, “company” or “HENGWEI battery”) intends to apply for initial public offering and listing on the 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 this offering (hereinafter referred to as “sponsor” or “the institution”).

China Merchants Securities Co.Ltd(600999) (hereinafter referred to as “recommendation institution” or ” China Merchants Securities Co.Ltd(600999) “) and its recommendation representative have been honest, trustworthy, diligent and responsible 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 other laws and regulations and the relevant provisions of the CSRC and Shenzhen Stock Exchange, Issue the listing recommendation letter in strict accordance with the business rules and industry self-discipline norms formulated according to law, and ensure that the documents issued are true, accurate and complete. If there are false records, misleading statements or major omissions in the documents prepared and issued by the recommendation institution for the issuer’s initial public offering, which cause losses to investors, the recommendation institution will compensate investors for the losses according to law.

(in this listing recommendation letter, unless the context otherwise requires, the interpretation is the same as that in the prospectus)

1、 Basic information of the issuer

(I) basic information of the issuer

Zhejiang HENGWEI Battery Co., Ltd

English Name: Zhejiang HENGWEI Battery Co., Ltd

Registered capital: 76 million yuan

Legal representative: Wang Jianping

Date of establishment of the company: January 14, 1999

Date of establishment of the joint stock company: June 2, 2017

Company domicile: No. 77, Zhengyang West Road, Youche port, Xiuzhou District, Jiaxing City, Zhejiang Province

Postal Code: 314018

Tel.: 057382235810

Fax No.: 057382235811

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

E-mail [email protected].

Department responsible for information disclosure and investor relations Securities Affairs Department

Secretary of the board of directors Yang Ju

Tel.: 057382235810

(II) main business of the issuer

The company specializes in the R & D, production and sales of high-performance environmental friendly zinc manganese batteries. Its main products include LR03, LR6, LR14, lr20 and 6LR61 series alkaline batteries and R03, R6, R14, R20 and 6f22 series carbon batteries. The company’s products are widely used in small household appliances, new consumer appliances, wireless security equipment, smart household products, outdoor electronic equipment, wireless communication equipment, medical electronic instruments, electric toys, digital products, mobile lighting and other civil and industrial fields.

After more than 20 years of dedicated research and development and exploration, the company has grown into a zinc manganese battery manufacturer with advanced manufacturing equipment and core production technology, and its comprehensive strength ranks in the forefront of the industry. The company integrates the research, development, production and sales of zinc manganese battery technology and products, and produces a full range of environment-friendly zinc manganese batteries. The products have the characteristics of high safety, good electrical performance and green environmental protection. The main electrical performance of the products exceeds more than 50% of IEC and national standards, and has won the title of recommended products after China’s entry into WTO. The company has been rated as municipal R & D center, municipal enterprise technology center, provincial high-tech enterprise research and development center, Zhejiang Enterprise Research Institute and national high-tech enterprise. The company is GB / t8897 2-2013 requirements for overall dimensions and electrical properties of primary batteries, gb244622009 General requirements for safety of civil primary batteries and GB / t201552018 determination of mercury, cadmium and lead in batteries are the main drafting and formulation units of many sets of national standards, The industrialization of the high performance alkaline Zn-MnO2 battery negative gel prepared by the company has been listed as the national Torch Plan industrialization demonstration project.

In recent years, focusing on the integration of traditional manufacturing industry with informatization and intelligence, the company has taken the road of high-quality development, introduced industry-leading intelligent battery production equipment, updated and transformed. At present, the company’s battery intelligent high-speed production line has reached the advanced level of China. The new production line of the company makes full use of the product management MES system, PLC control system, andon system of information management and visual vmes system to control the size, weight and combination of materials in the production process, so as to realize the data acquisition and visual output of the whole battery production management process and the real-time response and adjustment of the operation state of the production line, Improved the company’s production quality and yield.

The company’s products are mainly exported and are mainly sold to developed countries and regions such as Europe, North America, Japan and South Korea.

The company has established long-term and stable cooperative relations with many international commercial chain enterprises, well-known brand operators and large traders. Its main customers include dollar tree, strand, Bexel, Daiso, ICA, Migros, etc. At the same time, the company sells some products to 7-Eleven, Lawson, wegmans and other terminal channels through traders such as Li & Fung, Kanematsu and hw-usa.

(III) core technology of the issuer

With the accumulation of many years of experience in the zinc manganese battery industry, the company’s technical team, based on the “Zhejiang provincial enterprise research institute”, started from the key production processes, based on independent research and development, and combined production, education and research, gradually formed the technology of alkaline Zn-MnO2 battery negative gel technology through technology import, digestion, absorption and innovation. The application technology of expanded graphite powder in alkaline battery, double sealing device of alkaline battery and battery production technology are 10 core technologies.

The company’s core business, products and technologies are as follows:

S / N technical content main products involved in business links involved in technical sources

1 alkaline Zn-MnO2 battery negative gel technology independent research and development of negative electrodes to manufacture various types of alkaline batteries.

2 high performance alkaline battery diaphragm preparation process technology independent research and development of diaphragm paper winding processes LR03 and LR6

S / N technical content technical source business link main products involved

3 H9 power battery technology independent research and development, positive pole manufacturing, negative pole manufacturing LR03, LR6

4 MFZ zinc alloy material technology independent research and development of cathode manufacturing LR03 and LR6

5 alkaline battery sealing and sealing technology independently researched and developed crimping and sealing processes for various types of alkaline batteries

6 environmental friendly high-capacity lr20 battery technology independent research and development, cathode manufacturing and cathode manufacturing lr20

7 Application Technology of expanded graphite powder in alkaline batteries independent research and development of positive electrode and manufacture of various types of alkaline batteries

8 non spot welding alkaline 9V battery technology self-developed battery assembly 6LR61

9 high performance and environment-friendly R6 battery production technology independent research and development of cathode manufacturing, crimping and sealing processes R6

10 double sealing device of alkaline battery and battery production technology independently developed crimping and sealing processes LR03 and LR6

1, alkaline Zn-MnO2 battery negative gel technology

Alkaline battery zinc paste gel uses self-developed alkaline battery gel and colloid anode mixture technology. By adjusting the ratio of zinc paste material, zinc and zinc in battery paste can be well contacted (reduce resistance) and prevent zinc deposition, providing favorable conditions for the development of batteries with high current, high power and high capacity. The project has obtained an invention patent: “gelling agent, colloidal anode mixture and alkaline battery for alkaline battery”, patent No.: zl2011101108607. In 2014, the Ministry of science and technology of the people’s Republic of China rated the industrial application of this technology as the industrialization demonstration project of the national torch plan.

2. Preparation technology of high performance alkaline battery diaphragm

The process is based on cellophane paper, and the alkaline separator is made by emulsion soaking and drying. It has the characteristics of low production cost, simple production process and friendly environment. The prepared diaphragm retains cellophane and has the functions of adsorbing alkaline electrolyte and ion exchange; It overcomes the disadvantages of strong humidity and poor alkali resistance, so as to greatly improve the storage and service life of the battery and ensure the manufacturing quality of the product. This technology has obtained a utility model patent: “roll paper ironing shaping cooling system”, patent No.: zl2016208681049.

3. H9 power battery technology

Through the study of battery additives, the battery technology optimizes the ratio of electrode materials and the concentration of conductive carrier KOH electrolyte, increases the contact area between positive and negative electrodes, and improves the utilization rate of active substances and product energy density. The battery product has the characteristics of long discharge life and many times of constant power discharge. This technology is of great significance to accelerate the upgrading of the company’s products, develop alkaline batteries with higher power discharge performance, meet market demand, promote the development of industry technology and broaden the application field of alkaline batteries.

4. MFZ zinc alloy material technology

The battery technology can effectively inhibit the premature passivation of zinc alloy negative electrode in the discharge process by adding different amounts of metal indium, bismuth, aluminum and other elements into zinc powder, so as to realize the preparation of high-performance zinc alloy powder. Study the appropriate negative additives, improve the structure and compatibility of double electric layer at the interface between zinc negative electrode and electrolyte, improve the electrochemical activity of negative zinc powder, and realize the high-power discharge of alkaline battery. Optimizing the negative electrode formula can not only improve the utilization rate of zinc powder active material and high current discharge capacity of the battery, but also effectively inhibit the hydrogen evolution self discharge and gas expansion effect during battery storage.

5. Sealing and sealing technology of alkaline battery

Based on the practice of alkaline battery sealing, this technology puts forward that the pressure standard of battery sealing should be greater than the opening pressure of explosion-proof tank, and designs the calculation formula of main working dimensions and compression deformation coefficient; According to the principle of fluid mechanics slit sealing and the principle of mechanism stress concentration, three sealing lines are designed to make the three sealing lines have greater stress; The deformation of closing and sealing is reasonably distributed by using the metal plastic deformation theory. At the same time, the technology optimizes the battery sealing process, realizes the close compression of the battery shell, cover and sealing ring, and significantly improves the storage performance and safety performance of the company’s alkaline battery. The technology has obtained five utility model patents: “battery rotating edge crimping device”; Patent No.: zl2016208681053; “Battery rotating edge crimping processing console”, patent No.: zl2016208681138; “Asphalt constant temperature mixing and conveying device”, patent No.: zl2016208681034; “Alkaline battery sealing ring”, patent No.: zl2013204495377; “A heating conveyor for battery sealant”, zl2020204440213.

6. Environmental friendly large capacity lr20 battery technology

By adjusting the particle size of zinc powder in the negative electrode formula of the battery, selecting zinc powder with larger particle size, increasing its contact area with electrolyte, improving the utilization rate of zinc powder, and optimizing the proportion of electrolyte in zinc paste, the utilization rate of zinc powder is significantly improved, and the discharge time of environment-friendly high-capacity lr20 battery is increased by 5% – 8% on the original basis. This technology not only improves the environmental protection and safety of the product, but also reduces the consumption of negative zinc powder, so as to reduce the cost and save resources.

7. Application technology of expanded graphite powder in alkaline battery

The technology is applied to the positive electrode of the battery

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