Group 1 - Hanwei Technology has experienced a decline for five consecutive trading days, with a cumulative drop of -7.46% [1] - Hanwei Technology Group Co., Ltd. (stock code: 300007) is a reputable innovative technology company, known for gas sensors and instruments manufacturing, as well as IoT solutions [1] - The company aims to empower various sectors, continuously creating new value in production and life [1] Group 2 - Penghua Fund's Penghua Carbon Neutrality Theme Mixed A Fund has entered the top ten shareholders of Hanwei Technology, marking a new investment in the first quarter of this year [1] - The fund has achieved a year-to-date return of 40.07%, ranking 77th among 4,529 similar funds [2] - The fund manager, Yan Siqian, has a background in securities analysis and fund management, having joined Penghua Fund in January 2022 [3][4]