Isn't it self-contradictory that CCTV advertises "Jane marble tiles is used for high-grade decoration without marble"? I haven't understood it yet.

There is no contradiction. Marble is a natural stone, while marble tiles is an artificial imitation marble. You can use Jianyi marble tiles for high-grade decoration without marble. This advertisement means to use artificial imitation marble brick instead of natural marble for high-grade decoration, because Jianyi marble brick has the stone texture of natural marble.

Extended information:

Jianyi has the decorative effect of marble and the excellent performance of low water absorption tiles, providing high-end and environmentally-friendly decorative materials for people who pursue high-quality life.

In high-grade decoration, people like the natural decorative effect of marble. The world-famous Taj Mahal, Milan Cathedral and Dubai Seven-Star Sailing Hotel are all masterpieces of marble architecture. The beauty of natural marble is rare and rare. Following the mission of inheriting the beauty of nature, Jianyi successfully created the innovative category of "marble tiles", providing high-end and environmentally-friendly decorative materials for people who pursue high-quality life, and has been promoting the development and progress of this category in the world.