SUPPLEMENTAL BID BULLETIN NO. 1 FOR THE PROJECT SUPPLY AND DELIVERY OF 100 PIECES HDPE PLASTIC DRUMS AND 1,411 PIECESS HEAVY DUTY FOLDABLE PLASTIC CRATES CONSISTING OF 2 LOTS IN SUPPORT TO THE PACKAGE OF TECHNOLOGY (POT) MANGO UNDER BAYANIHAN II PROGRAM FOR CY 2020 WITH ORIGINAL REFERENCE NUMBER 7302368