NAME Brand Compound Steel Grating INTRODUCTION Brand compound Steel Grating is composed of ... can prevent the mice or other animals. MATERIALS Brand Compound Steel Grating was used in series 3 ... 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc US standard: 1 ... Grating Style Plain / Smooth, Serrated /teeth, I bar, serrated I bar 7 Standard China: YB/T 4001.1- ...