... # 4.For Wall, Metal, Wood, Marble, Stone,etc Sand Paper Aluminium Oxide Abrasives JZsander is short for Chongqing Jiazhuang Environmental Protection Tech ... features, it has a good market potentiality. We also supply sand papers, sand paper grits range is rather wide, from 16# to ... # , 36# , 40# , 40# , 80#, 120# these grits are used to sand outer walls, 180# , 240#, 320#, 400#, 600#, 800# , 1000# these ...