*A. Incoming Materials -> IQC ( Incoming Quality Control ) -> Materials to be stored in warehouse -> Production Dept. take the materials -> Production Dept. makes pre-production sample -> Sales Dept.
confirms the samples -> Production Dept. start mass production -> IPQC ( Input Quality Control ) -> LQC ( Line Quality Control )
-> FQC ( Finished Quality Control ) -> OQC ( Outgoing Quality Control ) -> Goods ready for shipment