Give a price of 20 19 for your reference: the final price is about 60W, 9 floors, steel frame hoisting (without elevator shaft), 450KG(6-person elevator) (steel structure, because it is a demonstration elevator, it will be repaired for 2 years to rebuild the security door, and the preliminary price does not include: moving down the foundation pit, moving pipe shaft or septic tank and other unknown items).