Sell Concrete polishing pads

Concrete polishing pads metal bond: 
Model No:HG**6A 
Specification:Dia*0mm,Dia**0mm 
Grit:*0#,*0#,**0#,**0#,**0# 
Application:For coarse grinding of concrete,remove the old surface of the pain,stains and some other bumps to get a smoothly surface. 

Concrete polishing pads resin bond: 
Model No:HG**6B 
Specification:Dia*0mm,Dia**0mm 
Grit:**0#,**0#,**0#,***0#,***0# 
Application:For further burnish,leveling grinding the traces left behind,and then using finely processed to remove the traces from coarse grinding to improve the concrete surface gloss.