On this occasion we visited PT. Total Bangun Persada on February 1, 2023 at Jl. Lt. Gen. S. Parman Kav. 106 West Jakarta for presentation. We held this presentation on Waterproofing and Corrosion Resistant to introduce PT. Cementaid Sales and Services Indonesia with the aim of establishing cooperation on projects that will be and are being carried out by PT. Total Bangun Persada. The presentation was attended by the Estimate Team and Engineer Team.