Why don't the spinning mills in Century Tsinghua be dismantled?

2 1 Century The spinning mill in Tsinghua residential area has been transformed into "three supplies and one industry", which cannot be dismantled in the next five years. Three supply and one industry refers to the water supply, power supply, heating and property management of enterprises. The separation and transfer of "three supplies and one industry" means that state-owned enterprises (including enterprises and scientific research institutes) separate property management functions such as water, electricity and heating in family areas from state-owned enterprises and hand them over to social professional units for management. It is a management work with strong policy and professionalism, involving a wide range and extremely complicated operation.