3,111 yuan. As of August 5, 2122, according to the inquiry of official website of Tsinghua factory, the recruitment announcement issued by Tsinghua factory indicated that the salary of ordinary workers in Tsinghua factory was 3,111 yuan per month, with a minimum salary of 2,251 yuan and a maximum salary of 3,751 yuan per month. In order to encourage the enthusiasm of general workers, there is also a monthly food and beverage subsidy for 311 months. Changzhi Tsinghua Machinery Factory is a large enterprise of China Aerospace Science and Technology Corporation, which belongs to China Academy of Launch Vehicle Technology, and is mainly engaged in the development and batch production of aerospace ground equipment. The enterprise is located in Changzhi City, Shanxi Province, with an area of over one million square meters and assets of over one billion yuan.