| Dajianchang Town | |
| Native Name: | 大碱厂镇 |
| Settlement Type: | Town |
| Pushpin Map: | Tianjin#China |
| Coordinates: | 39.4772°N 117.0842°W |
| Subdivision Type: | Country |
| Subdivision Name: |  China |
| Subdivision Type1: | Municipality |
| Subdivision Type2: | District |
| Subdivision Name1: | Tianjin |
| Subdivision Name2: | Wuqing |
| Area Total Km2: | 37.79 |
| Elevation M: | 7 |
| Population Total: | 22323 |
| Population As Of: | 2010 |
| Population Density Km2: | auto |
| Timezone1: | CST |
| Utc Offset: | +8 |
| Postal Code Type: | Postal code |
| Postal Code: | 301706 |
| Area Code: | 022 |
| Native Name Lang: | zh |
| Parts: | 1 community 26 villages |
| Parts Type: | Village-level Divisions |
Dajianchang Town is a town situated on the central part of Wuqing District, Tianjin, China. It shares border with Cuihuangkou Town in its north, Caozili Town in its east, Xuguantun Subdistrict in its south, and Nancaicun Town in its west. The 2010 Chinese Census counted 22,323 residents for this town.[1]
The name Dajianchang literally means "Large Basic Shack".
Dajianchang Town is located on the north of the Grand Canal and Beijing Paiwu River. The Jingjin Expressway and Cuiyang Line traverse through the town. Its average elevation is 7 meters above the sea level.[2]
| 1957 - 1958 | Dajianchang Township | Wuqing County, Hebei |
| 1958 - 1959 | Within Kuang'ergangbei People's Commune | |
| 1959 - 1961 | Within Kuang'ergang People's Commune | |
| 1961 - 1973 | Dajianchang People's Commune | |
| 1973 - 1983 | Wuqing County, Tianjin | |
| 1983 - 1999 | Dajianchang Township | |
| 1999 - 2000 | Dajianchang Town | |
| 2000 - present | Wuqing District, Tianjin |
As of the year 2022, Dajianchang Town has 27 subdivisions, of those 1 is a residential community and 26 are villages. They are listed as follows:[4]