The five Seiko quality (5A Seiko quality) of Longmeida Stone Group is the quality spirit pursuit of Longmeida as always. Keep improving, Longmeida expands the world with quality, allowing you to experience the luxury feeling that can be touched. "Creating classics and inheriting treasures", this core value pursuit can only be realized if the quality is exquisite enough and the quality is reliable enough.
The five major Seiko qualities are as follows:

The full thickness of all plates is 20 ± 1mm (no jerry building, the highest standard in the industry).

All stones are grinded in the positive and reverse direction and treated with waterproof back glue, which is waterproof, anti fouling, anti back seepage, shovel free net, anti air drum, anti crushing and easy to paste.

The board surface gloss of the same variety is higher than the national standard by more than 5 °.

The flatness, dimension accuracy and interface smoothness of the board surface are 2 times higher than the national standard for superior products.

Artistic typesetting of stone patterns and tones, 12 years of experience in fine works, 20 years of warranty commitment, 30 complex processes, create works of appreciation level.
