Is there a difference between real estate and real estate management services?

Provisions on the allocation of housing for property management: (1) For buildings with a building area of less than100000 square meters, the allocation shall not be less than four thousandths of the total building area, but at least not less than fifty square meters; (2) If the construction area exceeds100000 square meters, the excess part shall be shared by two thousandths; (3) The property management house provided by the construction unit should be a house that can be used on the ground and has basic functions such as water and electricity; (4) Property management houses are owned by all owners.