常青股份：公司的主营业务为汽车零部件相关

Core Viewpoint - Changqing Co., Ltd. is primarily engaged in the automotive parts sector and is currently involved in products related to Ganfeng Lithium, focusing on the new energy vehicle and energy storage businesses [2] Group 1 - The main business of the company is automotive parts [2] - The company is undertaking projects related to Ganfeng Lithium [2] - The products associated with Ganfeng Lithium are linked to new energy vehicles and energy storage [2]