1. Protection: Apply an oily penetrating protective agent to the marble surface to make it waterproof.

2. Opening: use a cutting machine to cut the gap evenly, and then suck the dust in the gap to ensure that the stone gap will not turn black.

3. Joint repair: use special glue for marble to color and fill in the cracks. When it is dry, you can do water milling.

4. Seamless treatment: use a stone refurbisher to renovate the piece, and grind the marble surface from coarse to fine to ensure that the marble surface has no height.

5. crystallization: the surface of marble is crystallized with special imported marble crystallization powder and polishing pad.

6. crystal plane treatment: polished with white pad and steel wool, advanced crystal plane agent and stone curing agent. After crystallization, the abrasion resistance, color and brightness of marble can be enhanced, and the effects of anti-skid, waterproof and oil-proof can be achieved.