系统实施前在秦皇岛港煤炭生产管理领域有多个信息化系统在运行,主要包括股份公司级货运费收系统、第二、三、六、七、九煤炭作业分公司在不同历史时期各自独立开发的公司级煤炭系统等。这些系统分别由不同的主管单位在不同历史时期开发,在系统目标、使用范围和功能侧重点上 Before the implementation of the system, a number of information systems were in operation in the area of ​​coal production management in Qinhuangdao Port. These mainly included the collection of freight rates of joint-stock companies and the development of the second, third, sixth, seventh and ninth coal mining branches in each historical period Company-level coal system. These systems were developed by different competent authorities in different historical periods, focusing on system objectives, scope of use and functions