钱江生化：公司旗下海宁市天源给排水工程物资有限公司主营建设工程施工

Group 1 - The core viewpoint of the article highlights that Qianjiang Biochemical is actively participating in construction project bidding both within and outside its local area, indicating a strategic expansion in its operations [2] - The company’s subsidiary, Haining Tianyuan Water Supply Engineering Materials Co., Ltd., specializes in construction engineering, which aligns with its recent project pursuits [2] - Qianjiang Biochemical has achieved breakthroughs in underground pipeline renovation projects outside its local market, showcasing its growth potential in this sector [2]