... #-1000# 4.For Wall, Metal, Wood, Marble, Stone,etc Sand Paper Aluminium Oxide AbrasivesJZsander is short for Chongqing Jiazhuang Environmental Protection ... , it has a good market potentiality.We also supply sand papers, sand paper grits range is rather wide, from 16# to 1000 ... #Kindly Reminder:As for the drywall sanding, sand paper grits chosen below is for your reference16# , 36# , 40# , ...