Group 1 - The core point of the article is that Zhongyan Dadi has been awarded a contract for the construction of foundation piles for the Jiangsu Xuwei Nuclear Power Project, with a total bid amount of 93,247,901.92 yuan (including tax) [1] Group 2 - The project involves the construction of natural ventilation cooling towers for the first three units of the Jiangsu Xuwei Nuclear Power Heating Power Plant [1] - The contract was issued by China Energy Construction Northwest City Construction Co., Ltd. [1]