The mortise and tenon structure is firm, no loose, safe and stable, the annual humidity in the cellar is more than 70%, the metal nail is easy to corrode in the high humidity environment, the wine rack of the cellar is full of red wine weighing more than one ton, if the nail rots and falls off, it will cause great losses. Therefore, the stability of the internal structure of the professional wine cellar is also very important. As the saying goes, "very lacquer, three points sand" sanding is equivalent to a coat for wooden products, red wine rack manual sanding to ensure smooth feel, fine seams, highlighting the unique quality of the Goulatu wine rack. In the family of Gulatu Cellars, each private wine cellar has its own unique character and taste, a perfect combination of classic design concepts and traditional hand-made customization, but also a combination of classic and classic.