This 1.8 yuan means that the property management company collects property fees from the owners according to the standard of 1.8 yuan /m2. This standard usually refers to the fees charged by property companies when providing property services for high-rise residential buildings, and the specific charging standards may vary from region to region and community.
In some areas, the government will set standards for property fees, which may take into account factors such as the size of the community, the content of property services and the income level of the owners. Property companies shall collect fees according to the standards set by the government, and shall not raise or lower the fees without authorization.