thép hộp 100x100x6

,, Thép hộp 100x100 "SG", hộp 150x150x2.5, 200x200x4//đen 100x100x5, 100x100x6li; 8li Thép hộp vuông 100x100 Hộp vuông 100 x 100 x 2 x 6m Hộp vuông 100 x 100 x 3 x 6m Hộp vuông 100 x 100 x 4 x 6m Hộp vuông 100 x 100 x 5 x 6m Hộp vuông 100 x 100 x 6 x 6m Hộp vuông 100 x 100 x 8 x 6m...