On this occasion, we visited PT. Ketira Engineering Consultants on July 28, 2022, located at Jl. Tanah Abang V No. 56-56A Petojo Selatan, Gambir, Central Jakarta City district. for presentation. We held this presentation of Hydrophobic Pore-blocking Ingredient (HPI) to introduce PT. Cementaid Sales and Services Indonesia to consultants with the aim of creating cooperation on projects that will be and are being worked on by PT. Ketira Engineering Consultants. The presentation was attended by Team Leaders, Engineers and Cost Estimators.