Minsheng Securities Co., Ltd
About Jiangsu Hongde special parts Co., Ltd. IPO and listing on GEM
of
Listing recommendation
Sponsor (lead underwriter)
(No. 8, Puming Road, China (Shanghai) pilot Free Trade Zone)
Statement
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 the registration of initial public offerings on the gem (for Trial Implementation) (hereinafter referred to as the measures for the registration on the GEM), and the measures for the administration of securities issuance and listing recommendation business (hereinafter referred to as the measures for the administration of recommendation) The Interim Provisions of Shenzhen Stock Exchange on the application and recommendation for the issuance and listing of enterprises on the gem (hereinafter referred to as the Interim Provisions), the Listing Rules of Shenzhen Stock Exchange on the gem (hereinafter referred to as the Listing Rules) and other relevant laws and administrative regulations, as well as the relevant provisions of the China Securities Regulatory Commission (hereinafter referred to as the CSRC) and Shenzhen Stock Exchange, are honest, trustworthy, diligent and responsible, This listing recommendation letter is issued in strict accordance with the business rules, industry practice norms and ethical standards formulated according to law, and the authenticity, accuracy and integrity of the documents issued are guaranteed.
Unless otherwise specified in this listing recommendation, relevant terms have the same meaning as in the prospectus of Jiangsu Hongde special parts Co., Ltd. for initial public offering and listing on the gem.
catalogue
Declare that 1 catalog 2 I. Basic information of the issuer 3. II. This issuance III. information about the sponsor representative, CO sponsor and other members of the project team of this securities issuance and listing IV. explanation on whether the recommendation institution has any circumstances that may affect the fair performance of recommendation duties V. matters that the recommendation institution should promise in accordance with relevant provisions VI. The issuer has fulfilled the decision-making procedures stipulated in the company law, the securities law and the CSRC and Shenzhen stock exchange with respect to the issuance and listing of Securities VII. The sponsor's explanation on whether the issuer complies with the Listing Rules 24 VIII. Arrangements for continuous supervision after the listing of the issuer's Securities 26 IX. contact information of the recommendation institution and relevant recommendation representatives 26 X. recommendation conclusion of the recommendation institution on the issuance and listing of Securities 27 I. Basic information of the issuer (I) overview of the company
Registered Chinese Name: Jiangsu Hongde special parts Co., Ltd
Registered English Name: Jiangsu Hongde special parts Co., Ltd
The registered capital is 61.2 million yuan
Legal representative: Yang Jinde
Date of establishment of the company: December 5, 2002
Incorporated date: June 19, 2017
Company domicile: Group 4, Qiqiao village, Xingren Town, Tongzhou District, Nantong City
Postal code 226352
Tel: 051380 Beijing Capital Eco-Environment Protection Group Co.Ltd(600008)
Fax 051380 Xining Special Steel Co.Ltd(600117)
Internet address http://www.nt-casting.com.
Email clx@ Sian casting com.
Department responsible for information disclosure and investor relations Securities Department
Department head Chen Lixin
Tel: 051380 Beijing Capital Eco-Environment Protection Group Co.Ltd(600008)
(II) overview of the issuer's main business
The company specializes in the R & D, production and sales of key castings of high-end equipment. It is a high-tech enterprise with independent R & D and innovation ability. The company has been deeply engaged in the foundry industry for more than 20 years, always adhering to the "craftsman spirit" of excellence, and has accumulated rich manufacturing experience and production technology in process design, modeling, smelting, pouring, testing, heat treatment and machining. The company's main products include iron castings and aluminum castings, which are special components supporting downstream high-end equipment. Iron castings are mainly used in wind power equipment, injection molding machines, pump valves and other fields, and aluminum castings are mainly used in medical devices, power equipment and other fields.
The company is one of the major suppliers of key casting products at home and abroad. Relying on its advantages in technology, quality and scale, the company has established long-term and stable cooperative relations with well-known customers at home and abroad, especially in the field of new energy wind power, and has achieved China's leading market position. The company's main customers in the wind power equipment industry include Siemens COMESA, Xinjiang Goldwind Science And Technology Co.Ltd(002202) , nangaochi, Vestas, Crrc Corporation Limited(601766) , Enercon, etc. In addition, the company's main customers also include Siemens Medical and Neusoft medical in the field of medical devices; Abb, Koizumi, etc. in the field of power equipment; Engel, Kraussmaffei Company Limited(600579) mafi, etc. in the field of injection molding machine; Grundfos in the field of pump and valve, etc. The company has been recognized by major customers by virtue of its product quality advantages, and has won Siemens gomeisa best quality supplier, Siemens Medical Technology Innovation Award, Xinjiang Goldwind Science And Technology Co.Ltd(002202) AAAAA supplier, Xinjiang Goldwind Science And Technology Co.Ltd(002202) long-term cooperation award, technical support award, abb excellent supplier, Grundfos excellent supplier, etc. (III) core technology and R & D level of the issuer
The company has been committed to the R & D, production and sales of key castings of high-end equipment for many years. Through continuous R & D and practice, the company has accumulated a number of core technologies. The company's core technologies are mainly obtained through independent R & D, some core technologies are obtained through cooperative R & D, and the core technologies have obtained relevant patent protection.
1. Core technology
The company's core technology, technical characteristics, product application and technical sources are as follows:
Sequence core technical features product application technology source number
(1) Through the combination of structural design and packaging method of spheroidized package
Multiple means such as alloy addition method and alloy composition selection,
The formation of nodular cast iron leads to the nodular inoculation casting technology of nodular iron parts;
1 spheroidizing inoculation place (2) ensure the stability of spheroidizing inoculation process of nodular cast iron and optimize independent research and development of cast iron parts
The technology can improve the production process, reduce the labor intensity and save the cost;
(3) By using this technology, the precipitation of primary graphite is reduced,
Maximize the use of graphite expansion to effectively eliminate shrinkage
Shrink loose.
(1) Through the process optimization design, according to the product structure, select
Select reasonable parameters such as straight gate, transverse gate and inner gate to shape
It has become a stable mold filling technology for castings;
2 stable mold filling control (2) this technology reduces the turbulence in the process of molten liquid mold filling, and is independently developed for cast iron castings
The surface of the casting is smooth and smooth, and the grinding amount of the casting is small, which reduces the labor and makes the aluminum casting strong
Degree and cost;
(3) This technology reduces entrainment and oxidation inclusions in castings,
The casting has excellent microstructure and properties.
(1) By optimizing the process of spheroidization and inoculation, the formation of
Key control means such as the design of trace alloy elements with thick section and high properties, and the formation of cooperative research and development, 3-energy casting technology of ferritic nodular iron parts with thick section and high performance; East iron casting Co., Ltd. (2) this technology increases the number of graphite balls with thick and large section and is changed to South University
The technology improves the graphite morphology and improves the center of thick section ductile iron
Performance.
(1) This technology can strengthen the quality of alloy through reasonable alloy composition control
The control means of spheroidizing inoculation process to eliminate the large section ductile iron
The broken graphite in the high-strength, tough and thick fracture part forms the high-strength, tough and thick section
Casting technology of nodular iron material with 4-sided nodular iron structure; Independent research and development of iron castings
And control technology (2) this technology greatly reduces the internal inclusions of castings and improves the quality of castings
The roundness of graphite ball can improve the strength and elongation of casting body
Excellent mechanical properties and high stability.
Sequence core technical features product application technology source number
(1) Through the key processes such as melt treatment, refining and modification
Technology control, forming pinholes and other hole defects in aluminum alloy
Control;
(2) Through the use of self-developed aluminum melt dehydrogenation rotary jet
The blowing device dehydrogenates and degasses the aluminum alloy melt, improves the purity of aluminum independent research and development and melt, reduces the tendency of hydrogen evolution in aluminum alloy and the oxide inclusion in cooperative research and development, makes the casting structure compact, improves the alloy force combination, cooperates with the key scientific properties of aluminum alloy, and significantly reduces the scrap rate; Unit 5 casting and control of Southeast University (3) the Changshu preparation method of aluminum alloy was formed by optimizing the refining process, changing the addition amount and method of rare earth and alloy element casting, Nanjing Science and Technology University; Research Institute Co., Ltd. (4) through the design of cold iron, pouring and riser, combined with simulation software, the company
Forming the solidification control technology of aluminum melt;
(5) Through the design of a special device, the airway and
The collaborative design of the gas nozzle makes the bubbles be efficiently crushed
Shear, refine and evenly distribute in the aluminum melt to form
Degassing technology of aluminum melt was introduced.
2. R & D achievements
(1) Patent situation
As of the signing date of this listing recommendation letter, the company has 16 invention patents in normal use, including 14 invention patents. The details are as follows:
Sequence patentee's patent name patent number application date protection acquisition number type term method
1 Hongde nodular iron castings flat invention zl20071 Zhejiang Haers Vacuum Containers Co.Ltd(002615) 67 research and development of stable filling method of independent shares in 20 years on August 17, 2007
Hongde medical device aluminum alloy independent 2 Co., Ltd. gold castings are stably filled. The invention zl2008101567502 20-year research and development method on September 25, 2008
Hongdegu aluminum alloy casting party cooperated 3 times, East France invention zl20091 Shenzhen Mingdiao Decoration Co.Ltd(002830) 86, 200901.13 20 years of research and development, South University
Hongde aluminum melt dehydrogenation spin cooperation 4 parts, dongzhuan injection device invention zl2009
