The Metropolitan Waterworks and Sewerage System's  (MWSS) Manila Water Novaliches-Balara Aqueduct 4 (NBAQ4) project's design and build contractors areCMC di Ravenna (Italy), First Balfour, Inc. (Philippines), and Chun Wo Engineering (Hong Kong).

https://www.manilatimes.net/2021/08/16/public-square/manila-waters-tbm-driven-novaliches-balara-aqueduct-4-project-nears-completion/1811091