... grating is made of flat steel according to certain spacing and cross bar (twisted square steel, square steel, round steel, flat ... steel, etc.) to cross arranged, and welded into the middle with square lattice, is a kind ... , 50.8, 70, 75, 80, 100, 101.6, 102…… Packaging:In bulk or packaged with balingNearest Sea Port: Xingang, Tianjin, 230 km ...