1. Conduct preliminary communication with Unicom Digital Society and reach an agreement on the basic terms of the outsourcing contract, including service content, cost, construction period, delivery standard, etc.

2. According to the agreed basic terms, the preparation of the draft contract should include the basic information of both parties and the purpose of the contract.

3. In order to ensure the legality and validity of the contract, it is suggested to ask a lawyer or legal department to review the draft contract to ensure compliance with local laws and regulations.

4. According to the results of legal review, make necessary amendments and adjustments to the draft contract, and both parties reach an agreement through consultation to ensure the rights and interests of both parties.

5. After modification and negotiation, both parties can arrange to formally sign the contract after reaching an agreement.

6. Archive and back up to ensure the safety and traceability of the contract documents.