... ,3000 Hebei Yanjin Imp.&Exp.Co.,Ltd. is a professional polishing pad manufacturer and supplier with rich experience .The brief introduction ... 500,1000,2000,3000Wet onlyPolishing stone,porcelain,glass,etc.The polishing material is high resilience and good reisistance to wear with ... tiny holes .The pads have many different colors , yellow,red,pink,blue ,green ...