东川以科技是第一生产力思想，在设备方面有专人研究，不断跟踪最新潮流；

Dongchuan is with the ideology of the science and technology according as the primary productivity that in equipment side, it has the special messenger to investigate for following the latest trend;

youdao

东川以科技是第一生产力思想，在设备方面有专人研究，不断跟踪最新潮流；

Dongchuan is with the ideology of the science and technology according as the primary productivity that in equipment side, it has the special messenger to investigate for following the latest trend;

youdao