For all types of openings: Chimney and heater vents installation Elevator shaft openings Swimming pool drain openings Sanitary sewer manhole openings Cutting reinforced concrete walls. ++Manhole openings for communication lines. *+ Open all concrete and other types of walls. ** Air conditioning sleeve openings. *+ Air conditioning duct and plumbing openings ++ Laser cutting of reinforced concrete. * + Drilling in reinforced concrete *+ Open all reinforced concrete. "Interior staircases" All works are carried out without affecting the building #No_Vibration_or_cracks_in_buildings All works 16 #Our_Success_Experience_and_Specialization Milad for contact and inquiry, call on ( Mobile number appears when pressing the contact button ) ( Mobile number ( Mobile number appears when pressing the contact button )