Braking system Air chamber bracket Material:IRON CAST ASTM A536 80-55-06 Brand : FUKANG WEIGHT:5.5kg MODEL:BC3518420(020)C6 Grade:Japan FCD400 FCD450 FCD500 FCD600 FCD700USA 60-40-18 65-45-12 70-50-05 80-60-03 100-70-03Germany GGG40 —— GGG50 GGG60 GGG70Italy GS370-17 GS400-12 GS500-7 GS600-2 GS700-2France FGS370-17 FGS400-12 FGS500-7 &…