Print Invitation to Bid for the Upgrading of IT Network (Phase II) – Rebidding PBM 2021-018 Written by Hazel D. Montecalvo. Posted in Bids and Awards Archives Philippine Bidding Documents Terms of Reference Supplemental Guidelines Bid Bulletin 01-2021 Bid Bulletin 02-2021 (Technical Specifications, Annex A1, Annex A2)