Group 1 - The stock price of Kolon Co., Ltd. closed at 6.48 yuan on July 29, down 0.14 yuan, representing a decline of 2.11% [1] - The trading volume on that day was 228,500 hands, with a transaction amount of 148 million yuan [1] - Kolon Co., Ltd. specializes in the research, production, and sales of fine chemical products, including water-reducing agents and nanomaterials, which are used in various fields such as construction, semiconductors, and cosmetics [1] Group 2 - On July 29, the company announced on its interactive platform that its water-reducing agent products are being used in the Sichuan-Tibet Railway project, and its sales network has expanded to cover the Tibet region [1] - The company also revealed that its nano-cerium oxide products can be used in ultra-precision processing in semiconductor manufacturing, with positive customer feedback in the ultraviolet protection field [1] - Additionally, the company is closely monitoring the progress of the Yarlung Tsangpo River hydropower station project [1] Group 3 - On July 29, the net outflow of main funds was 19.1983 million yuan, accounting for 1.35% of the circulating market value [1]