Making Pre-PO and BOQ: ① According to the final customer Nominal Plan/demand that both HUAWEI and customer agreed to make high quality Pre-PO, customized Pre-PO and BOQ. ② Deliver customized Pre-PO to customer and upload Pre-PO/BOQ to internal system. ③ Resolve Pre-PO or BOQ problem which happen during PO registering Process optimization, Plat...