Pre-sales service process
Process 1: Field trip Initial quotation
Process 2: Customer Communication Design
Process 3: Modify the plan
Process 4: Determine the plan
Process 5: Signing a contract, collecting prepayments
Process 6: Project Implementation Customer Acceptance

After sales service process
Process 1: Customer Repair
Process 2: Reply in time
Process 3: Telephone communication
Process 4: Telephone Repair Field Repair
Process 5: Customer Evaluation Record
Process 6: Summary of Issues Improvement