 Receive contract from Sale, coordinate with service department to deploy contract items.  Deploy assigned contracts. Analyze implementation requirements, learn carefully about the customer's goals, get preliminary information about the budget, KPI commitment, contact the customer to discuss preparation/implementation/report/advise on advertising optimization Reporting during the contract period  Meeting with the client to discuss and determine the client's advertising requirements before launching the campaign or reporting after the end. Manage the feedback as well as take care of customers during the implementation process.  Coordinate the evaluation, reporting and optimization of the campaign. Increase contract renewal rate  Coordinate to monitor payment progress and debt collection.  Perform other tasks assigned by the department head