南京港：主要从事原油、成品油、液体化工产品及普通货物装卸仓储等业务

Group 1 - The company, Nanjing Port, primarily engages in the handling and storage of crude oil, refined oil, liquid chemical products, and general cargo [1] - Services offered by the company include container storage, door-to-door transportation, and related accessory sales [1] - Additional services provided by the company encompass container dismantling, assembly, repair, cleaning, electronic data exchange, and information consulting [1]