/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: BongBongar https://cdn.slidesharecdn.com/profile-photo-BongBongar-48x48.jpg?cb=1529571981 We specialized in the Design and Construction of Wastewater (Sewage) Treatment Plant and Solid waste treatment using the DOST technology