1, sold as a whole, the transaction is clear, there is no subsequent treatment, the support policy is unsustainable, the transaction cost is high, and the industrial park is not easy to change hands.

2. Split sale is to divide the industrial park into several small shops for sale. The advantage is that buyers can be found quickly. However, by dividing sales, it is difficult for too many stakeholders to form prices quickly, and it takes a long time.

3. Lease-back after sale is the commitment of the project party to give the buyer a higher return, which can promote sales and thus recover funds. The promise of high return makes developers bear certain financial pressure, and developers also need to bear certain market operation risks.