wool polishing pad: size: 4'',5'',6'',7'' type: 702 brand:xingchen;3N color: white ISO9001:2008;BV sizeDiameter: 4'',5'',6'',7'', or according to customers requirementcolorwhiteTechnology of production Two kinds: one is resin wool polishing ball(XC-Y22 XC-Y23 XC-Y26 )by use flocking machine to plant 100%wool yarn on the fabric,after molding,high temperature and pressing to make it;the other is ...