Key Responsibilities 1.Calculate business KPIs and update relevant reports. 2.Verify invoices and prepare payment applications. 3.Settle DDLS billing in system and find out deviations. 4.Draft and release supplier bulletin. 5.Continuously improving methodology of KPI calculations and system billing. 6.Support others assigned by team leaders Education \ Language and other skills 1.At least university degree 2.Good English writing and speaking skills. 3.Good MS skills. 4.Finance Major Is Prefer