Main work contents: Master all the information and characteristics of the first-hand new houses that cooperate with the chain home, and then convey them to the second-hand housing brokers, so that the brokers of second-hand housing stores can match the houses or choose to recommend the first-hand houses according to the needs of customers. There is also the transaction procedure of assisting the first-hand house in the later period. Ability: expressive ability, clear and meticulous thinking.