大为股份：子公司取得4项《实用新型专利证书》

Group 1 - The core point of the article is that Dawi Co., Ltd. has received four utility model patent certificates from the National Intellectual Property Administration, indicating advancements in semiconductor testing technology [1] - Dawi Co., Ltd. reported that its revenue composition for the first half of 2025 is as follows: 92.16% from semiconductor storage chips, 4.92% from the automotive manufacturing sector, 1.37% from new energy, 0.86% from real estate leasing services, and 0.68% from smart terminals [1] - As of the report, Dawi Co., Ltd. has a market capitalization of 6.4 billion yuan [1]