1. Revise the working instruction and drawings2. Check the appearance and dimensions at the press(or bending) stage3. 환경 시험 (Environment test) . 시험 후 누수 점검 (Check leakage after test)4. 유통 Cycle 시험 (Transportation cycle test) . 시험 후 누수 점검 (Check leakage after test)5. Aging 시험 (Aging test) . 시험 후 누수 점검 (Check leakage after test)6. Check initial LOT with IQC7. Check the assemblability at the pre-production stage8. Take video or image for real part, then get approval by CS expatriate and add committee in notification route. Also, add related video or image in the CR.