Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390)
Annual report for 2021
2022-014
February 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.
Pei Zhenhua, the person in charge of the company, Yuan Chao, the person in charge of accounting, and Yuan Chao, 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.
Forward looking statements such as future plans or plans in this annual 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.
In Section III "management discussion and analysis" of this report, "Xi. Prospect of the company's future development" describes in detail the possible risks and Countermeasures in the company's operation. Please pay attention to the relevant contents.
The profit distribution plan approved by the board of directors is: Based on 582880538, the company will distribute cash dividends of 5.00 yuan (including tax) to all shareholders for every 10 shares, give bonus shares of 0 shares (including tax), and transfer capital reserve to all shareholders for every 10 shares.
catalogue
Section I important tips, contents and definitions Section 2 company profile and main financial indicators 8 section III Management Discussion and Analysis Section IV corporate governance 35 Section V environmental and social responsibility 49 section VI important matters Section VII changes in shares and shareholders Section VIII preferred shares 68 section IX relevant information of bonds 69 section x financial report seventy
Directory of documents for future reference
1、 Financial statements containing the signatures and seals of the legal representative of the company, the person in charge of accounting and the person in charge of accounting institutions; 2、 The original of the audit report with the seal of the accounting firm and the signature and seal of the certified public accountant; 3、 Originals of all company documents and announcements publicly disclosed on the website designated by the CSRC during the reporting period; 4、 The original of 2021 annual report signed by the legal representative of the company; 5、 Other relevant documents. The place where the above documents are prepared: the Securities Affairs Department of the company.
interpretation
Explanatory item refers to the explanatory content
Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) , the company and the company refer to Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390)
Articles of association means the Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) articles of association
General meeting means Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) general meeting of shareholders
Board of directors means the Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) board of directors
Board of supervisors refers to the Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) board of supervisors
CSRC refers to the China Securities Regulatory Commission
Shenzhen stock exchange refers to Shenzhen Stock Exchange
Company law means the company law of the people's Republic of China
Securities Law means the securities law of the people's Republic of China
Yushou medical refers to Wuxi Yushou Medical Instrument Co., Ltd
Shitong electronics refers to Suzhou Shitong Electronic Technology Co., Ltd
Keyi purification refers to Suzhou Keyi Purification Technology Co., Ltd
Tianbao shoes industry refers to Suzhou Industrial Park Tianbao shoes industry Co., Ltd
Kanghua purification refers to Suzhou Kanghua Purification System Engineering Co., Ltd
Suzhou Zhonglei refers to Suzhou Zhonglei New Material Technology Co., Ltd
Tianhua trading refers to Suzhou Tianhua Trading Co., Ltd
Shenzhen Tianhua refers to Shenzhen Suzhou Ta&A Ultra Clean Technology Co.Ltd(300390) Technology Co., Ltd
Golden key refers to Shenzhen Golden Key electrostatic micro pollution Engineering Consulting Co., Ltd
Tianyi lithium industry refers to Yibin Tianyi lithium industry science and Innovation Co., Ltd
Sichuan Tianhua refers to Sichuan Tianhua times lithium energy Co., Ltd
Yushou India means Wuxi Yushou medical private limited
Yawang trading refers to Suzhou Shitong yawang Trading Co., Ltd
Zhenjiang Zhonglei refers to Zhenjiang Zhonglei New Material Technology Co., Ltd
Weineng lithium industry refers to Yibin Weineng lithium industry science and Innovation Co., Ltd
Meishan Tianyi refers to Meishan Tianyi lithium Technology Co., Ltd
Huayi environmental protection refers to Yibin Huayi environmental protection science and Innovation Co., Ltd
Contemporary Amperex Technology Co.Limited(300750) refers to Contemporary Amperex Technology Co.Limited(300750)
Accounting firm refers to Rongcheng accounting firm (special general partnership)
Use the principles of leakage, neutralization and shielding to eliminate or isolate static electricity and reduce the harm of electrostatic discharge; Electrostatic and micro pollution prevention and control refers to the use of filtration, wiping, cleaning, sticking, isolation and other methods to reduce the damage of micro pollutants to products.
Since static electricity will lead to the adsorption of micro pollutants such as dust, static electricity must be prevented and controlled at the same time of micro pollution prevention and control.
ESD refers to the discipline formed since the mid-20th century to study the generation and harm of static electricity and electrostatic protection against ESD.
5g refers to the fifth generation mobile communication technology, and generally refers to the collection of broadband wireless communication technologies after 4G.
Refers to the World Health Organization, a specialized agency under the United Nations and the largest intergovernmental who in the world.
EU certification of products and quality management system, and CE can be affixed to the goods that pass the certification
(abbreviation of conformate Europeenne) mark, which means that it meets the requirements of a series of European directives such as safety, health and environmental protection CE certification and consumer protection, and can circulate freely in the EU unified market. If the products requiring CE mark do not have CE mark, Will not be allowed to enter the EU market.
Since 1979, the World Health Organization has cooperated with the procurement department of UNICEF. PQS certification refers to the formulation of a series of performance specifications and test procedures for injectable medical devices, cold chain equipment and other immune related products, These products are certified by the United Nations and the World Health Organization (who) for their performance and pass the PQS test.
510 (k) refers to the pre marketing notice that the manufacturer must submit to FDA in order to market and sell medical devices in the United States.
Lithium battery and lithium ion battery refer to a rechargeable battery, which works by the movement of lithium ions between the positive and negative electrodes. It is mainly composed of diaphragm, positive material, negative material and electrolyte. It is also commonly referred to as lithium battery.
The main constituent materials of lithium-ion batteries include electrolyte, isolation materials, positive and negative electrode materials, etc. Lithium battery materials refer to cathode materials, which account for a large proportion. The performance of cathode materials directly affects the performance of lithium-ion batteries, and its cost also directly determines the cost of batteries.
The chemical formula is LiOH, which is a white monoclinic fine crystal. It is used to prepare lithium salt and lithium base grease. Lithium hydroxide refers to the electrolyte of alkaline battery and the absorption liquid of lithium bromide refrigerator. As an additive of alkaline battery electrolyte, it can increase the capacitance by 12% ~ 15%, Increase the service life by 2 ~ 3 times.
Lithium carbonate refers to the colorless monoclinic crystal or white powder with the chemical formula of Li З Co ₃. Common lithium ion battery raw materials.
Battery grade lithium hydroxide refers to battery grade lithium hydroxide monohydrate. In this paper, it refers to lithium hydroxide monohydrate whose quality meets the standard of GB / T 26008-2010.
Spodumene refers to an ore containing lithium, which is mainly used in the preparation of lithium hydroxide and lithium carbonate, glass
