How to check the pre-sale contract number in Jinjiang city

Check with the Housing Authority. Jinjiang City can hold personal identification to the Housing Authority for on-site inquiry, provide the contract and ID card at the Housing Authority's transaction window, and inquire whether the contract information is valid and whether it has been filed. The pre-sale contract number of commercial housing is in the upper right corner, the contract code is bar code, and the real estate trading center uses a scanning gun.