正业科技（300410）7月29日主力资金净流入7159.80万元

Group 1 - The core viewpoint of the news is that Zhengye Technology (300410) has shown a significant increase in stock price and positive net profit growth despite a decline in total revenue [1] - As of July 29, 2025, Zhengye Technology's stock closed at 9.0 yuan, up 17.49%, with a trading volume of 1.0761 million hands and a transaction amount of 904 million yuan [1] - The net inflow of main funds today was 71.598 million yuan, accounting for 7.92% of the transaction amount, with large orders contributing significantly to this inflow [1] Group 2 - For the first quarter of 2025, Zhengye Technology reported total operating revenue of 163 million yuan, a year-on-year decrease of 13.82%, while net profit attributable to shareholders was 9.5079 million yuan, a year-on-year increase of 184.28% [1] - The company has a current ratio of 1.009, a quick ratio of 0.561, and a debt-to-asset ratio of 84.77% [1] - Zhengye Technology was established in 1997 and is primarily engaged in the manufacturing of instruments and meters, with a registered capital of 3.6711 billion yuan [1][2]