| 1 | Naval port in northern China, the Qing northern naval base. | |
| 2 | This base is an important agricultural product processing base in China. | |
| 3 | This base is one of the largest car production bases in North China. | |
| 4 | The Chinese government is increasing its investment in research bases. | |
| 5 | There are many employees in the base, including technical and production personnel. |
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