Are there geothermal resources in Tanggu District of Tianjin?

There are geothermal resources in Tanggu District of Tianjin. According to relevant data, Tanggu area in Tianjin is rich in medium-low temperature geothermal resources. Since 1987, tertiary geothermal well 3 1 has been drilled in this area, and the annual water output is about 500 times of 10-4m-3. The geothermal heating area is 90× 10-4m-2, ranking first in urban geothermal heating in China.