Yongdong Co., Ltd.: Obtained an invention patent certificate

Yongdong Co., Ltd. announced that the company recently received an invention patent certificate issued by the China National Intellectual Property Administration. The patent is titled "A Method for Co-Pyrolysis Upgrading of Coal Tar Pitch and Oily Sludge and Carbon Black Raw Material," with patent number ZL 2024 1 1393452.0, a patent application date of October 8, 2024, and a patent term of twenty years. The patent holders are the company and Shanghai Zhenyan Biotechnology Co., Ltd. This patent belongs to the field of energy product technology. Its acquisition will not have a significant impact on the company's production and operations, and is conducive to leveraging the advantages of independent intellectual property rights, promoting technological innovation, and enhancing the company's competitiveness.