Group 1 - The stock price of Huicheng Vacuum is 166.22 yuan, down 8.06 yuan or 4.62% from the previous trading day [1] - The opening price was 174.00 yuan, with an intraday high of 177.26 yuan and a low of 165.00 yuan, with a trading volume of 34,400 lots and a transaction amount of 585 million yuan [1] - Huicheng Vacuum operates in the specialized equipment industry, focusing on the research and manufacturing of vacuum coating equipment [1] Group 2 - The company has technical accumulation in advanced packaging for semiconductors and TGV deep hole deposition, with products including high-power pulsed magnetron sputtering equipment [1] - In response to investor inquiries, the company stated that its HiPIMS high-power pulsed magnetron sputtering equipment features high ionization rates and low duty cycle control in the TGV deep hole deposition field [1] - The company also indicated that the application prospects for vacuum coating equipment in the advanced packaging field of semiconductors are broad, and it is actively developing related equipment and expanding its customer base [1] Group 3 - On August 19, the net outflow of main funds from Huicheng Vacuum was 27.263 million yuan, accounting for 0.4% of the circulating market value [1] - Over the past five days, the cumulative net outflow of main funds reached 46.4635 million yuan, representing 0.69% of the circulating market value [1]

Group 1 - The company, Huicheng Vacuum (301392), highlighted the advantages of its HiPIMS high-power pulsed magnetron sputtering equipment in the TGV deep hole deposition field, which includes high ionization rate, low duty cycle control, and dense uniform film formation [1]