Dry Wall Profiles, are made of galvanized steel, are used to support the gypsum board or mineral fiber board, in ... the different s Kinds: Steel Channel, Galvanized steel stud,Dry ... 50x17mm, 60x27mm, 50x15mmceilings>, etc. Another sizes are available according to clients' requirement.Quality: ISO9001Perforations: All studs can also be easily ...