Group 1 - Company Qianjiang Biochemical (SH 600796) announced on December 12 that it signed a maximum guarantee contract with Zhejiang Haining Rural Commercial Bank for a credit facility requested by Guangyao Thermal Power, providing a joint liability guarantee of up to 19.64285 million yuan based on its shareholding ratio [1] - The revenue composition of Qianjiang Biochemical for the year 2024 is as follows: wastewater treatment and recycling 28.2%, engineering installation and material sales 22.76%, waste transportation and disposal 18.53%, biological products 14.5%, thermal power industry 9.85%, and water treatment and supply 5.43% [1] - As of the report date, the market capitalization of Qianjiang Biochemical is 5.2 billion yuan [1]