易普力：重庆泽润爆破工程有限公司业务以爆破施工为主，自身并无工业炸药产 能

Group 1 - The core viewpoint of the article is that the company is auctioning its 51% stake in Chongqing Zerun Blasting Engineering Co., Ltd. as part of its strategy to optimize state-owned capital layout and reduce the number of legal entities [2] - The company emphasizes its commitment to focusing on its main responsibilities and optimizing resource allocation through the disposal of non-core and non-productive equity interests [2] - The auction is aimed at enhancing operational efficiency and core competitiveness, promoting high-quality development of the civil explosive integrated business [2]