Where can I find samples of commercial housing sales contracts in Hefei?

Hefei Housing Authority official website. According to the flow of commercial housing sales in Hefei, the template of commercial housing sales contract is in official website and Hefei Housing Management Bureau. Need to sign an appointment to confirm, sign a house purchase contract, and go to the Housing Authority for the record. The valid purchase contract template can be downloaded and printed in official website, the Housing Authority, and the houses with sales licenses obtained by developers have corresponding filing procedures.