All boards are of sufficient thickness and no corners are cut.
All stones are polished front and back and treated with waterproof adhesive. They are waterproof, anti-fouling and anti-seepage without shovel net. They are anti-hollowing and anti-breakage. They are easy to stick and eliminate worries.
The glossiness of the board surface is more than 5° higher than the national standard for the same type.
The board flatness, dimensional accuracy and interface smoothness are higher than those of national high-quality products.
Art-level arrangement of stone patterns and tones.