Check_Result_Sum__c
    false
    IF(OR(ISPICKVAL(Product_Name_Check__c, 'NG'),ISPICKVAL(Model_Check__c, 'NG'),ISPICKVAL(NMPA_Approbation_No_Check__c, 'NG'),ISPICKVAL(Production_Date_Check__c, 'NG'),ISPICKVAL(Guarantee_End_Check__c, 'NG'),ISPICKVAL(Produce_Company_Check__c, 'NG'),ISPICKVAL(Vender_Check__c, 'NG'),ISPICKVAL(Inspection_result_after__c, 'NG')), 
'NG', 
IF(AND(ISPICKVAL(Product_Name_Check__c, 'OK'),ISPICKVAL(Model_Check__c, 'OK'),ISPICKVAL(NMPA_Approbation_No_Check__c, 'OK'),ISPICKVAL(Production_Date_Check__c, 'OK'),ISPICKVAL(Guarantee_End_Check__c, 'OK'),ISPICKVAL(Produce_Company_Check__c, 'OK'),ISPICKVAL(Vender_Check__c, 'OK'),ISPICKVAL(Inspection_result_after__c, 'OK')), 
'OK'
, ''))
    BlankAsZero
    
    false
    false
    Text
    false