1、 The financial statements containing the signatures and seals of the company's legal representative, the person in charge of accounting and the person in charge of accounting. 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、 The originals of all company documents and announcements publicly disclosed on the website designated by the CSRC during the reporting period. 4、 The original of the 2021 annual report signed by the legal representative of the company. 5、 Other relevant documents Shandong Dongyue Organosilicon Materials Co.Ltd(300821) 2021 annual report full text 5 interpretation item refers to the interpretation content, China Securities Regulatory Commission refers to Shenzhen stock exchange company, the company The parent company of ziyue Xiaoyue Technology Investment Co., Ltd. refers to Dongyue Technology Investment Group Co., Ltd., and the code of Dongyue Xiaoyi Investment Co., Ltd. refers to Dongyue silicon Group Co., Ltd HK Dongyue fluorosilicone refers to Shandong Dongyue fluorosilicone Material Co., Ltd. Dongyue chemical refers to Shandong Dongyue Chemical Co., Ltd. Herun water refers to Zibo Herun water Co., Ltd. Dongyue future hydrogen energy refers to Shandong Dongyue future hydrogen energy material Co., Ltd. Sichuan Jiayi refers to Sichuan Jiayi silicon material science and Technology Co., Ltd. Guizhou Xinyi refers to Guizhou Xinyi silicon material technology Co., Ltd. the Company Law refers to the company law of the people's Republic of China The Securities Law refers to the securities law of the people's Republic of China and the articles of association refers to the current effective Shandong Dongyue Organosilicon Materials Co.Ltd(300821) articles of association. 107 glue refers to hydroxyl terminated polydimethylsiloxane, commonly known as 107 glue in the market. It is prepared from DMC or linear body through catalytic polymerization, degradation, neutralization and other processes. It is the basic glue for the production of room temperature glue. Silicone glue refers to 107 glue as the main raw material, supplemented by crosslinking agent, filler, catalyst, etc, The paste mixed in vacuum forms elastic silicone rubber by reacting and curing with water in the air at room temperature. 110 raw rubber refers to 110 methyl vinyl silicone rubber. It is prepared from DMC, methyl vinyl mixed ring and low viscosity silicone oil through dehydration, ring opening polymerization, removal of oligomers and other processes. It is the basic rubber material for the production of high-temperature rubber. Mixed rubber refers to methyl vinyl silicone rubber compound, With 110 raw rubber as the main raw material, white carbon black as the reinforcing filler and some additives added, it can be crosslinked into elastomer in the presence of higher temperature and vulcanizing agent (organic peroxide). Silicone rubber refers to a kind of polymer polysiloxane with crosslinking structure. Silicone rubber has linear molecular structure before vulcanization and three-dimensional crosslinking structure after vulcanization. According to the vulcanization mechanism and vulcanization temperature, Silicone rubber Shandong Dongyue Organosilicon Materials Co.Ltd(300821) 2021 annual report full text
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