1) 25years manufacturer&factory PVCmat 2)export to Europe,North America,Southeast Asia,Japan ... S-A 5.5kg/m2, thickness 8.0mm,1.2*12m S-B 3.8kg/m2, thickness:5.5mm ... ,1.2*15m S-C 2.8kg/m2, thickness:5.2mm,1.2*15m S-D 2.0kg/m2.thickness:4 ... .2mm,1.2*15m1roll/bag PVC S Anti ... -slip Mat S-A,A-B,A-C,S-D ...