TYN(000591) 搜狐财经·2025-03-29 12:23Group 1 - The core point of the news is that Hengdian Group Dongci Co., Ltd. has applied for a patent for a solar cell and its preparation method, which aims to improve the efficiency and stability of solar cells [1][3] - The patent application was filed on November 2024, with the publication number CN 119698128 A, indicating a focus on innovative solar technology [1] - The solar cell design includes an N-type silicon substrate with a thickness difference of 1μm to 3μm between the metallized and non-metallized areas, which addresses issues related to the uniformity of the doped polysilicon layer [1] Group 2 - Hengdian Group Dongci Co., Ltd. was established in 1999 and is primarily engaged in the manufacturing of electrical machinery and equipment [2] - The company has a registered capital of approximately 1.626 billion RMB and has made investments in 37 enterprises, showcasing its active role in the industry [2] - The company holds a significant number of intellectual properties, including 2,462 patents and 215 trademarks, indicating a strong focus on innovation and development [2]