Corner polishing machine,no.100 resin sand sheet,No.220 resin sand sheet,steel wire cotton,No.360 water sandpaper,No.800 water sandpaper,cloth wheel,hammer,flat shovel,small brush,etc.

The methods of removing the above phenomenon can be divided into physical and chemical removal.

Daily maintenance of stone materials often use agent crystal products,stone material maintenance with a good degree of smoothness,suitable for long-term maintenance use.However,there will often be cus

Dongshi is a kind of porous Marine sedimentary rock.Due to pores appearing in the process of diagenesis,and because its main composition is calcium carbonate or magnesium carbonate,it is easy to be dissolved and corroded by water,there will be many natural irregular pores in these deposits.