For the purchase of second-hand housing by mortgage, the mortgage time limit is determined according to the bank's policy and loan contract, and it is not directly related to the transaction time of Shell Network.
The above information is for reference only, and the specific term may be affected by many factors, such as the specific situation of the house, the market situation, the loan policy and so on. So if you need more specific information, it is recommended to consult a professional real estate agent or bank loan department.