SDL(SZ:002658) Jin Rong Jie·2025-08-06 16:53Group 1 - The latest stock price of Xuedilong is 7.99 yuan, up by 0.01 yuan from the previous trading day, with a highest intraday price of 7.99 yuan and a lowest of 7.93 yuan, and a trading volume of 94,537 hands, amounting to 0.75 billion yuan [1] - Xuedilong operates in the instrumentation industry, focusing on environmental monitoring and industrial process analysis, with its headquarters located in Beijing and a business presence in aerosol detection and carbon trading [1] - The company plans to invest 8 million yuan to establish a joint venture with Beijing Huairou Hard Technology Innovation Service Co., Ltd., holding an 80% stake, which will focus on mass spectrometry technology research, including common technology research and core component development [1] Group 2 - On August 6, the main capital outflow was 6.18 million yuan, with a cumulative net outflow of 17.39 million yuan over the past five trading days [1]