Wuxi Dk Electronic Materials Co.Ltd(300842)
Annual report for 2021
2022023
March 2022
Section I important tips, contents and definitions
The board of directors, the board of supervisors and the directors, supervisors and senior managers of the company guarantee that the contents of the annual report are true, accurate and complete without false records, misleading statements or major omissions, and bear individual and joint legal liabilities.
Shi Weili, the person in charge of the company, Wang Jiaojiao, the person in charge of accounting, and Wang Jiaojiao, the person in charge of the accounting organization (Accounting Supervisor), declare that they guarantee the authenticity, accuracy and completeness of the financial report in this annual report.
All directors have attended the meeting of the board of directors to consider this report.
The forward-looking statements such as the company's strategic planning and future plans involved in this report do not constitute the company's substantive commitment to investors. Investors and relevant persons should maintain sufficient risk awareness and understand the differences between plans, forecasts and commitments. The company respectfully invites investors to carefully read the full text of this report, and pay special attention to the risk factors that the company may face in its operation, such as industry cyclical fluctuation risk, increasing market competition risk, continuous R & D and innovation risk, gross profit margin decline risk, exchange rate fluctuation risk, negative net cash flow of operating activities, accounts receivable collection risk and so on, Pay attention to investment risks. For details, please refer to "Xi. Prospect of the company's future development" in "section III Management Discussion and analysis". The company plans not to distribute cash dividends, bonus shares or increase share capital with provident fund.
catalogue
Section I important tips, contents and definitions Section 2 company profile and main financial indicators Section III Management Discussion and Analysis Section 4 corporate governance Section V environmental and social responsibility 16 section VI important matters Section VII changes in shares and shareholders Section 8 preferred shares Section 9 relevant information of bonds Section x financial report twenty-six
Directory of documents for future reference
(I) financial statements signed and sealed by the legal representative of the company, the person in charge of accounting work and the person in charge of accounting organization. (II) the original of the audit report with the seal of the accounting firm and the signature and seal of the certified public accountant. (III) originals of all company documents and announcements publicly disclosed on the website designated by the CSRC during the reporting period. (IV) the original of the full text of the 2021 annual report signed by the legal representative of the company. (V) other documents for future reference. Place of preparation of the above documents for future reference: Office of the board of directors of the company
interpretation
Explanatory item refers to the explanatory content
The company, the company and Wuxi Dk Electronic Materials Co.Ltd(300842) refer to Wuxi Dk Electronic Materials Co.Ltd(300842)
Wuxi dike Electronic Material Technology Co., Ltd. Wuxi Dk Electronic Materials Co.Ltd(300842) Co., Ltd
Predecessor of
Changzhou Zhusi refers to Changzhou Zhusi Photoelectric Technology Co., Ltd., which is a wholly-owned subsidiary of the company
Hong Kong Tyco refers to Tyco electronic materials Hong Kong Co., Ltd., which is a wholly-owned subsidiary of the company
Shanghai Baiyi refers to Shanghai Baiyi Electronic Materials Co., Ltd., which is a wholly-owned subsidiary of the company
Wuxi shanghuijia refers to Wuxi shanghuijia trading partnership (limited partnership)
Wuxi diyinke refers to Wuxi diyinke trading partnership (limited partnership)
Wuxi Sedco refers to Wuxi Sedco trading partnership (limited partnership)
Erwei technology refers to Wuxi Erwei Technology Co., Ltd
Jiangsu SOTE Electronic Materials Co., Ltd. is the subject of the company's plan to issue shares to purchase assets
company
Dongguan SOTE Electronic Material Co., Ltd. is a wholly-owned subsidiary of Jiangsu SOTE Electronic Material Co., Ltd
company
Dongguan DuPont refers to Dongguan DuPont Electronic Materials Co., Ltd., which is the predecessor of Dongguan SOTE Electronic Materials Co., Ltd
Yuan, 10000 yuan and 100 million yuan refer to RMB yuan, 10000 yuan and 100 million yuan
The reporting period, the current reporting period and the current period refer to the period from January 1, 2021 to December 31, 2021
The end of the reporting period and the current period refer to December 31, 2021
The same period of the previous year and the previous period refer to the period from January 1, 2020 to December 31, 2020
The end of the previous year and the end of the previous period refer to December 31, 2020
The prospectus of Wuxi Dk Electronic Materials Co.Ltd(300842) initial public offering and listing on GEM refers to
Listing prospectus
General meeting of shareholders means the general meeting of Wuxi Dk Electronic Materials Co.Ltd(300842) shareholders
Board of directors refers to Wuxi Dk Electronic Materials Co.Ltd(300842) board of directors
Board of supervisors refers to Wuxi Dk Electronic Materials Co.Ltd(300842) board of supervisors
Directors, supervisors and senior managers of Wuxi Dk Electronic Materials Co.Ltd(300842)
Senior managers refer to the general manager, deputy general manager, Secretary of the board of directors and financial principal of the company
CSRC refers to the China Securities Regulatory Commission
Ministry of finance means the Ministry of finance 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
The articles of association refers to the Wuxi Dk Electronic Materials Co.Ltd(300842) articles of association
Photovoltaic power generation refers to the direct conversion of light energy into electric energy through photoelectric effect
The utility model relates to a photoelectric semiconductor chip that uses sunlight to directly generate electricity, which is the smallest single Cecep Solar Energy Co.Ltd(000591) cell for photoelectric conversion
element
Crystalline silicon Cecep Solar Energy Co.Ltd(000591) battery refers to Cecep Solar Energy Co.Ltd(000591) battery with crystalline silicon as the main raw material
Silver paste for electrode of crystalline silicon Cecep Solar Energy Co.Ltd(000591) battery is a photovoltaic conductive silver paste and conductive silver paste for preparing metal electrode of Cecep Solar Energy Co.Ltd(000591) battery
Key material
It is an adhesive with certain conductivity after curing or drying.
It can connect a variety of conductive adhesives and conductive adhesive finger materials together to form an electrical path between the connected materials. In the electronic industry, conductive adhesive has become an essential new material.
Packaging refers to the process of assembling the bare chip of integrated circuit into the final product of the chip
TOPCON refers to tunnel oxide passivated contact
Hjt refers to heterojunction, heterojunction battery
IBC refers to interdigitated back contact and interdigitated back contact battery
Passive emitter and rear cell, that is, passivated emitter and back cell. The biggest difference between passive emitter and normal perc indicator cell is that the dielectric film on the back surface is passivated and local metal contact is adopted to effectively reduce the electron recombination speed on the back surface and improve the light reflection on the back surface
BSF refers to aluminum back field, which is to improve the efficiency of silicon Cecep Solar Energy Co.Ltd(000591) battery. After the preparation of p-n junction, a layer of aluminum film is often deposited on the back of silicon wafer, that is, the backlight surface, to prepare P + layer
Parity access means that the price of electricity transmitted by photovoltaic power stations to the power grid is the same as that of thermal power generation and hydropower generation
Section II Company Profile and main financial indicators
1、 Company information
Stock abbreviation Wuxi Dk Electronic Materials Co.Ltd(300842) stock code Wuxi Dk Electronic Materials Co.Ltd(300842)
Chinese name of the company Wuxi Dk Electronic Materials Co.Ltd(300842)
Chinese abbreviation of the company Wuxi Dk Electronic Materials Co.Ltd(300842)
Foreign language name of the company (if any) Wuxi DK Electronic Materials Co., Ltd
Abbreviation of the company's foreign name (e.g
(yes) dkem
Legal representative of the company: Shi Weili
Registered address: 1 Yongning Road, Qiting street, Yixing City, Wuxi City, Jiangsu Province
